64711920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:2999

約数の個数: 160

約数和(自身を含む): 246984192

約数和(自身を除く): 182272272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 2963, 3120, 3640, 4368, 5460, 5926, 7280, 8889, 10920, 11852, 14815, 17778, 20741, 21840, 23704, 29630, 35556, 38519, 41482, 44445, 47408, 59260, 62223, 71112, 77038, 82964, 88890, 103705, 115557, 118520, 124446, 142224, 154076, 165928, 177780, 192595, 207410, 231114, 237040, 248892, 269633, 308152, 311115, 331856, 355560, 385190, 414820, 462228, 497784, 539266, 577785, 616304, 622230, 711120, 770380, 808899, 829640, 924456, 995568, 1078532, 1155570, 1244460, 1348165, 1540760, 1617798, 1659280, 1848912, 2157064, 2311140, 2488920, 2696330, 3081520, 3235596, 4044495, 4314128, 4622280, 4977840, 5392660, 6471192, 8088990, 9244560, 10785320, 12942384, 16177980, 21570640, 32355960, 64711920]

約数ペア:

[(1, 64711920), (2, 32355960), (3, 21570640), (4, 16177980), (5, 12942384), (6, 10785320), (7, 9244560), (8, 8088990), (10, 6471192), (12, 5392660), (13, 4977840), (14, 4622280), (15, 4314128), (16, 4044495), (20, 3235596), (21, 3081520), (24, 2696330), (26, 2488920), (28, 2311140), (30, 2157064), (35, 1848912), (39, 1659280), (40, 1617798), (42, 1540760), (48, 1348165), (52, 1244460), (56, 1155570), (60, 1078532), (65, 995568), (70, 924456), (78, 829640), (80, 808899), (84, 770380), (91, 711120), (104, 622230), (105, 616304), (112, 577785), (120, 539266), (130, 497784), (140, 462228), (156, 414820), (168, 385190), (182, 355560), (195, 331856), (208, 311115), (210, 308152), (240, 269633), (260, 248892), (273, 237040), (280, 231114), (312, 207410), (336, 192595), (364, 177780), (390, 165928), (420, 154076), (455, 142224), (520, 124446), (546, 118520), (560, 115557), (624, 103705), (728, 88890), (780, 82964), (840, 77038), (910, 71112), (1040, 62223), (1092, 59260), (1365, 47408), (1456, 44445), (1560, 41482), (1680, 38519), (1820, 35556), (2184, 29630), (2730, 23704), (2963, 21840), (3120, 20741), (3640, 17778), (4368, 14815), (5460, 11852), (5926, 10920), (7280, 8889)]