256756320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 288

約数和(自身を含む): 926190720

約数和(自身を除く): 669434400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 61, 72, 74, 79, 80, 90, 96, 111, 120, 122, 144, 148, 158, 160, 180, 183, 185, 222, 237, 240, 244, 288, 296, 305, 316, 333, 360, 366, 370, 395, 444, 474, 480, 488, 549, 555, 592, 610, 632, 666, 711, 720, 732, 740, 790, 888, 915, 948, 976, 1098, 1110, 1184, 1185, 1220, 1264, 1332, 1422, 1440, 1464, 1480, 1580, 1665, 1776, 1830, 1896, 1952, 2196, 2220, 2257, 2370, 2440, 2528, 2664, 2745, 2844, 2923, 2928, 2960, 3160, 3330, 3552, 3555, 3660, 3792, 4392, 4440, 4514, 4740, 4819, 4880, 5328, 5490, 5688, 5846, 5856, 5920, 6320, 6660, 6771, 7110, 7320, 7584, 8769, 8784, 8880, 9028, 9480, 9638, 9760, 10656, 10980, 11285, 11376, 11692, 12640, 13320, 13542, 14220, 14457, 14615, 14640, 17538, 17568, 17760, 18056, 18960, 19276, 20313, 21960, 22570, 22752, 23384, 24095, 26307, 26640, 27084, 28440, 28914, 29230, 29280, 33855, 35076, 36112, 37920, 38552, 40626, 43371, 43845, 43920, 45140, 46768, 48190, 52614, 53280, 54168, 56880, 57828, 58460, 67710, 70152, 72224, 72285, 77104, 81252, 86742, 87690, 87840, 90280, 93536, 96380, 101565, 105228, 108336, 113760, 115656, 116920, 131535, 135420, 140304, 144570, 154208, 162504, 173484, 175380, 178303, 180560, 192760, 203130, 210456, 216672, 216855, 231312, 233840, 263070, 270840, 280608, 289140, 325008, 346968, 350760, 356606, 361120, 385520, 406260, 420912, 433710, 462624, 467680, 526140, 534909, 541680, 578280, 650016, 693936, 701520, 713212, 771040, 812520, 841824, 867420, 891515, 1052280, 1069818, 1083360, 1156560, 1387872, 1403040, 1426424, 1604727, 1625040, 1734840, 1783030, 2104560, 2139636, 2313120, 2674545, 2852848, 3209454, 3250080, 3469680, 3566060, 4209120, 4279272, 5349090, 5705696, 6418908, 6939360, 7132120, 8023635, 8558544, 10698180, 12837816, 14264240, 16047270, 17117088, 21396360, 25675632, 28528480, 32094540, 42792720, 51351264, 64189080, 85585440, 128378160, 256756320]

約数ペア:

[(1, 256756320), (2, 128378160), (3, 85585440), (4, 64189080), (5, 51351264), (6, 42792720), (8, 32094540), (9, 28528480), (10, 25675632), (12, 21396360), (15, 17117088), (16, 16047270), (18, 14264240), (20, 12837816), (24, 10698180), (30, 8558544), (32, 8023635), (36, 7132120), (37, 6939360), (40, 6418908), (45, 5705696), (48, 5349090), (60, 4279272), (61, 4209120), (72, 3566060), (74, 3469680), (79, 3250080), (80, 3209454), (90, 2852848), (96, 2674545), (111, 2313120), (120, 2139636), (122, 2104560), (144, 1783030), (148, 1734840), (158, 1625040), (160, 1604727), (180, 1426424), (183, 1403040), (185, 1387872), (222, 1156560), (237, 1083360), (240, 1069818), (244, 1052280), (288, 891515), (296, 867420), (305, 841824), (316, 812520), (333, 771040), (360, 713212), (366, 701520), (370, 693936), (395, 650016), (444, 578280), (474, 541680), (480, 534909), (488, 526140), (549, 467680), (555, 462624), (592, 433710), (610, 420912), (632, 406260), (666, 385520), (711, 361120), (720, 356606), (732, 350760), (740, 346968), (790, 325008), (888, 289140), (915, 280608), (948, 270840), (976, 263070), (1098, 233840), (1110, 231312), (1184, 216855), (1185, 216672), (1220, 210456), (1264, 203130), (1332, 192760), (1422, 180560), (1440, 178303), (1464, 175380), (1480, 173484), (1580, 162504), (1665, 154208), (1776, 144570), (1830, 140304), (1896, 135420), (1952, 131535), (2196, 116920), (2220, 115656), (2257, 113760), (2370, 108336), (2440, 105228), (2528, 101565), (2664, 96380), (2745, 93536), (2844, 90280), (2923, 87840), (2928, 87690), (2960, 86742), (3160, 81252), (3330, 77104), (3552, 72285), (3555, 72224), (3660, 70152), (3792, 67710), (4392, 58460), (4440, 57828), (4514, 56880), (4740, 54168), (4819, 53280), (4880, 52614), (5328, 48190), (5490, 46768), (5688, 45140), (5846, 43920), (5856, 43845), (5920, 43371), (6320, 40626), (6660, 38552), (6771, 37920), (7110, 36112), (7320, 35076), (7584, 33855), (8769, 29280), (8784, 29230), (8880, 28914), (9028, 28440), (9480, 27084), (9638, 26640), (9760, 26307), (10656, 24095), (10980, 23384), (11285, 22752), (11376, 22570), (11692, 21960), (12640, 20313), (13320, 19276), (13542, 18960), (14220, 18056), (14457, 17760), (14615, 17568), (14640, 17538)]