1280544720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3449}}^1$

素因数の和:3502

約数の個数: 320

約数和(自身を含む): 5174668800

約数和(自身を除く): 3894124080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 48, 51, 52, 56, 60, 65, 68, 70, 78, 80, 84, 85, 91, 102, 104, 105, 112, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 204, 208, 210, 221, 238, 240, 255, 260, 272, 273, 280, 312, 336, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 560, 595, 624, 663, 680, 714, 728, 780, 816, 840, 884, 910, 952, 1020, 1040, 1092, 1105, 1190, 1326, 1360, 1365, 1428, 1456, 1547, 1560, 1680, 1768, 1785, 1820, 1904, 2040, 2184, 2210, 2380, 2652, 2730, 2856, 3094, 3120, 3315, 3449, 3536, 3570, 3640, 4080, 4368, 4420, 4641, 4760, 5304, 5460, 5712, 6188, 6630, 6898, 7140, 7280, 7735, 8840, 9282, 9520, 10347, 10608, 10920, 12376, 13260, 13796, 14280, 15470, 17245, 17680, 18564, 20694, 21840, 23205, 24143, 24752, 26520, 27592, 28560, 30940, 34490, 37128, 41388, 44837, 46410, 48286, 51735, 53040, 55184, 58633, 61880, 68980, 72429, 74256, 82776, 89674, 92820, 96572, 103470, 117266, 120715, 123760, 134511, 137960, 144858, 165552, 175899, 179348, 185640, 193144, 206940, 224185, 234532, 241430, 269022, 275920, 289716, 293165, 313859, 351798, 358696, 362145, 371280, 386288, 410431, 413880, 448370, 469064, 482860, 538044, 579432, 586330, 627718, 672555, 703596, 717392, 724290, 762229, 820862, 827760, 879495, 896740, 938128, 941577, 965720, 1076088, 1158864, 1172660, 1231293, 1255436, 1345110, 1407192, 1448580, 1524458, 1569295, 1641724, 1758990, 1793480, 1883154, 1931440, 2052155, 2152176, 2286687, 2345320, 2462586, 2510872, 2690220, 2814384, 2897160, 3048916, 3138590, 3283448, 3517980, 3586960, 3766308, 3811145, 4104310, 4573374, 4690640, 4707885, 4925172, 5021744, 5335603, 5380440, 5794320, 6097832, 6156465, 6277180, 6566896, 7035960, 7532616, 7622290, 8208620, 9146748, 9415770, 9850344, 10671206, 10760880, 11433435, 12195664, 12312930, 12554360, 14071920, 15065232, 15244580, 16006809, 16417240, 18293496, 18831540, 19700688, 21342412, 22866870, 24625860, 25108720, 26678015, 30489160, 32013618, 32834480, 36586992, 37663080, 42684824, 45733740, 49251720, 53356030, 60978320, 64027236, 75326160, 80034045, 85369648, 91467480, 98503440, 106712060, 128054472, 160068090, 182934960, 213424120, 256108944, 320136180, 426848240, 640272360, 1280544720]

約数ペア:

[(1, 1280544720), (2, 640272360), (3, 426848240), (4, 320136180), (5, 256108944), (6, 213424120), (7, 182934960), (8, 160068090), (10, 128054472), (12, 106712060), (13, 98503440), (14, 91467480), (15, 85369648), (16, 80034045), (17, 75326160), (20, 64027236), (21, 60978320), (24, 53356030), (26, 49251720), (28, 45733740), (30, 42684824), (34, 37663080), (35, 36586992), (39, 32834480), (40, 32013618), (42, 30489160), (48, 26678015), (51, 25108720), (52, 24625860), (56, 22866870), (60, 21342412), (65, 19700688), (68, 18831540), (70, 18293496), (78, 16417240), (80, 16006809), (84, 15244580), (85, 15065232), (91, 14071920), (102, 12554360), (104, 12312930), (105, 12195664), (112, 11433435), (119, 10760880), (120, 10671206), (130, 9850344), (136, 9415770), (140, 9146748), (156, 8208620), (168, 7622290), (170, 7532616), (182, 7035960), (195, 6566896), (204, 6277180), (208, 6156465), (210, 6097832), (221, 5794320), (238, 5380440), (240, 5335603), (255, 5021744), (260, 4925172), (272, 4707885), (273, 4690640), (280, 4573374), (312, 4104310), (336, 3811145), (340, 3766308), (357, 3586960), (364, 3517980), (390, 3283448), (408, 3138590), (420, 3048916), (442, 2897160), (455, 2814384), (476, 2690220), (510, 2510872), (520, 2462586), (546, 2345320), (560, 2286687), (595, 2152176), (624, 2052155), (663, 1931440), (680, 1883154), (714, 1793480), (728, 1758990), (780, 1641724), (816, 1569295), (840, 1524458), (884, 1448580), (910, 1407192), (952, 1345110), (1020, 1255436), (1040, 1231293), (1092, 1172660), (1105, 1158864), (1190, 1076088), (1326, 965720), (1360, 941577), (1365, 938128), (1428, 896740), (1456, 879495), (1547, 827760), (1560, 820862), (1680, 762229), (1768, 724290), (1785, 717392), (1820, 703596), (1904, 672555), (2040, 627718), (2184, 586330), (2210, 579432), (2380, 538044), (2652, 482860), (2730, 469064), (2856, 448370), (3094, 413880), (3120, 410431), (3315, 386288), (3449, 371280), (3536, 362145), (3570, 358696), (3640, 351798), (4080, 313859), (4368, 293165), (4420, 289716), (4641, 275920), (4760, 269022), (5304, 241430), (5460, 234532), (5712, 224185), (6188, 206940), (6630, 193144), (6898, 185640), (7140, 179348), (7280, 175899), (7735, 165552), (8840, 144858), (9282, 137960), (9520, 134511), (10347, 123760), (10608, 120715), (10920, 117266), (12376, 103470), (13260, 96572), (13796, 92820), (14280, 89674), (15470, 82776), (17245, 74256), (17680, 72429), (18564, 68980), (20694, 61880), (21840, 58633), (23205, 55184), (24143, 53040), (24752, 51735), (26520, 48286), (27592, 46410), (28560, 44837), (30940, 41388), (34490, 37128)]