257839680

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 448

約数和(自身を含む): 1034076672

約数和(自身を除く): 776236992

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 32, 34, 35, 37, 40, 42, 48, 51, 56, 60, 61, 64, 68, 70, 74, 80, 84, 85, 96, 102, 105, 111, 112, 119, 120, 122, 136, 140, 148, 160, 168, 170, 183, 185, 192, 204, 210, 222, 224, 238, 240, 244, 255, 259, 272, 280, 296, 305, 320, 336, 340, 357, 366, 370, 408, 420, 427, 444, 448, 476, 480, 488, 510, 518, 544, 555, 560, 592, 595, 610, 629, 672, 680, 714, 732, 740, 777, 816, 840, 854, 888, 915, 952, 960, 976, 1020, 1036, 1037, 1088, 1110, 1120, 1184, 1190, 1220, 1258, 1281, 1295, 1344, 1360, 1428, 1464, 1480, 1554, 1632, 1680, 1708, 1776, 1785, 1830, 1887, 1904, 1952, 2040, 2072, 2074, 2135, 2220, 2240, 2257, 2368, 2380, 2440, 2516, 2562, 2590, 2720, 2856, 2928, 2960, 3108, 3111, 3145, 3264, 3360, 3416, 3552, 3570, 3660, 3774, 3808, 3885, 3904, 4080, 4144, 4148, 4270, 4403, 4440, 4514, 4760, 4880, 5032, 5124, 5180, 5185, 5440, 5712, 5856, 5920, 6216, 6222, 6290, 6405, 6720, 6771, 6832, 7104, 7140, 7259, 7320, 7548, 7616, 7770, 8160, 8288, 8296, 8540, 8806, 8880, 9028, 9435, 9520, 9760, 10064, 10248, 10360, 10370, 11285, 11424, 11712, 11840, 12432, 12444, 12580, 12810, 13209, 13542, 13664, 14280, 14518, 14640, 15096, 15540, 15555, 15799, 16320, 16576, 16592, 17080, 17612, 17760, 18056, 18870, 19040, 19520, 20128, 20496, 20720, 20740, 21777, 22015, 22570, 22848, 24864, 24888, 25160, 25620, 26418, 27084, 27328, 28560, 29036, 29280, 30192, 31080, 31110, 31598, 33184, 33855, 34160, 35224, 35520, 36112, 36295, 37740, 38080, 38369, 40256, 40992, 41440, 41480, 43554, 44030, 45140, 47397, 49728, 49776, 50320, 51240, 52836, 54168, 57120, 58072, 58560, 60384, 62160, 62220, 63196, 66045, 66368, 67710, 68320, 70448, 72224, 72590, 75480, 76738, 78995, 81984, 82880, 82960, 87108, 88060, 90280, 94794, 99552, 100640, 102480, 105672, 108336, 108885, 114240, 115107, 116144, 120768, 124320, 124440, 126392, 132090, 135420, 136640, 140896, 144448, 145180, 150960, 153476, 157990, 165920, 174216, 176120, 180560, 189588, 191845, 199104, 201280, 204960, 211344, 216672, 217770, 230214, 232288, 236985, 248640, 248880, 252784, 264180, 268583, 270840, 281792, 290360, 301920, 306952, 315980, 331840, 348432, 352240, 361120, 379176, 383690, 409920, 422688, 433344, 435540, 460428, 464576, 473970, 497760, 505568, 528360, 537166, 541680, 575535, 580720, 603840, 613904, 631960, 696864, 704480, 722240, 758352, 767380, 805749, 845376, 871080, 920856, 947940, 995520, 1011136, 1056720, 1074332, 1083360, 1151070, 1161440, 1227808, 1263920, 1342915, 1393728, 1408960, 1516704, 1534760, 1611498, 1742160, 1841712, 1895880, 2113440, 2148664, 2166720, 2302140, 2322880, 2455616, 2527840, 2685830, 3033408, 3069520, 3222996, 3484320, 3683424, 3791760, 4028745, 4226880, 4297328, 4604280, 5055680, 5371660, 6139040, 6445992, 6968640, 7366848, 7583520, 8057490, 8594656, 9208560, 10743320, 12278080, 12891984, 15167040, 16114980, 17189312, 18417120, 21486640, 25783968, 32229960, 36834240, 42973280, 51567936, 64459920, 85946560, 128919840, 257839680]

約数ペア:

[(1, 257839680), (2, 128919840), (3, 85946560), (4, 64459920), (5, 51567936), (6, 42973280), (7, 36834240), (8, 32229960), (10, 25783968), (12, 21486640), (14, 18417120), (15, 17189312), (16, 16114980), (17, 15167040), (20, 12891984), (21, 12278080), (24, 10743320), (28, 9208560), (30, 8594656), (32, 8057490), (34, 7583520), (35, 7366848), (37, 6968640), (40, 6445992), (42, 6139040), (48, 5371660), (51, 5055680), (56, 4604280), (60, 4297328), (61, 4226880), (64, 4028745), (68, 3791760), (70, 3683424), (74, 3484320), (80, 3222996), (84, 3069520), (85, 3033408), (96, 2685830), (102, 2527840), (105, 2455616), (111, 2322880), (112, 2302140), (119, 2166720), (120, 2148664), (122, 2113440), (136, 1895880), (140, 1841712), (148, 1742160), (160, 1611498), (168, 1534760), (170, 1516704), (183, 1408960), (185, 1393728), (192, 1342915), (204, 1263920), (210, 1227808), (222, 1161440), (224, 1151070), (238, 1083360), (240, 1074332), (244, 1056720), (255, 1011136), (259, 995520), (272, 947940), (280, 920856), (296, 871080), (305, 845376), (320, 805749), (336, 767380), (340, 758352), (357, 722240), (366, 704480), (370, 696864), (408, 631960), (420, 613904), (427, 603840), (444, 580720), (448, 575535), (476, 541680), (480, 537166), (488, 528360), (510, 505568), (518, 497760), (544, 473970), (555, 464576), (560, 460428), (592, 435540), (595, 433344), (610, 422688), (629, 409920), (672, 383690), (680, 379176), (714, 361120), (732, 352240), (740, 348432), (777, 331840), (816, 315980), (840, 306952), (854, 301920), (888, 290360), (915, 281792), (952, 270840), (960, 268583), (976, 264180), (1020, 252784), (1036, 248880), (1037, 248640), (1088, 236985), (1110, 232288), (1120, 230214), (1184, 217770), (1190, 216672), (1220, 211344), (1258, 204960), (1281, 201280), (1295, 199104), (1344, 191845), (1360, 189588), (1428, 180560), (1464, 176120), (1480, 174216), (1554, 165920), (1632, 157990), (1680, 153476), (1708, 150960), (1776, 145180), (1785, 144448), (1830, 140896), (1887, 136640), (1904, 135420), (1952, 132090), (2040, 126392), (2072, 124440), (2074, 124320), (2135, 120768), (2220, 116144), (2240, 115107), (2257, 114240), (2368, 108885), (2380, 108336), (2440, 105672), (2516, 102480), (2562, 100640), (2590, 99552), (2720, 94794), (2856, 90280), (2928, 88060), (2960, 87108), (3108, 82960), (3111, 82880), (3145, 81984), (3264, 78995), (3360, 76738), (3416, 75480), (3552, 72590), (3570, 72224), (3660, 70448), (3774, 68320), (3808, 67710), (3885, 66368), (3904, 66045), (4080, 63196), (4144, 62220), (4148, 62160), (4270, 60384), (4403, 58560), (4440, 58072), (4514, 57120), (4760, 54168), (4880, 52836), (5032, 51240), (5124, 50320), (5180, 49776), (5185, 49728), (5440, 47397), (5712, 45140), (5856, 44030), (5920, 43554), (6216, 41480), (6222, 41440), (6290, 40992), (6405, 40256), (6720, 38369), (6771, 38080), (6832, 37740), (7104, 36295), (7140, 36112), (7259, 35520), (7320, 35224), (7548, 34160), (7616, 33855), (7770, 33184), (8160, 31598), (8288, 31110), (8296, 31080), (8540, 30192), (8806, 29280), (8880, 29036), (9028, 28560), (9435, 27328), (9520, 27084), (9760, 26418), (10064, 25620), (10248, 25160), (10360, 24888), (10370, 24864), (11285, 22848), (11424, 22570), (11712, 22015), (11840, 21777), (12432, 20740), (12444, 20720), (12580, 20496), (12810, 20128), (13209, 19520), (13542, 19040), (13664, 18870), (14280, 18056), (14518, 17760), (14640, 17612), (15096, 17080), (15540, 16592), (15555, 16576), (15799, 16320)]