320787960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2347}}^1$

素因数の和:2445

約数の個数: 128

約数和(自身を含む): 1034622720

約数和(自身を除く): 713834760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 67, 68, 85, 102, 120, 134, 136, 170, 201, 204, 255, 268, 335, 340, 402, 408, 510, 536, 670, 680, 804, 1005, 1020, 1139, 1340, 1608, 2010, 2040, 2278, 2347, 2680, 3417, 4020, 4556, 4694, 5695, 6834, 7041, 8040, 9112, 9388, 11390, 11735, 13668, 14082, 17085, 18776, 22780, 23470, 27336, 28164, 34170, 35205, 39899, 45560, 46940, 56328, 68340, 70410, 79798, 93880, 119697, 136680, 140820, 157249, 159596, 199495, 239394, 281640, 314498, 319192, 398990, 471747, 478788, 598485, 628996, 786245, 797980, 943494, 957576, 1196970, 1257992, 1572490, 1595960, 1886988, 2358735, 2393940, 2673233, 3144980, 3773976, 4717470, 4787880, 5346466, 6289960, 8019699, 9434940, 10692932, 13366165, 16039398, 18869880, 21385864, 26732330, 32078796, 40098495, 53464660, 64157592, 80196990, 106929320, 160393980, 320787960]

約数ペア:

[(1, 320787960), (2, 160393980), (3, 106929320), (4, 80196990), (5, 64157592), (6, 53464660), (8, 40098495), (10, 32078796), (12, 26732330), (15, 21385864), (17, 18869880), (20, 16039398), (24, 13366165), (30, 10692932), (34, 9434940), (40, 8019699), (51, 6289960), (60, 5346466), (67, 4787880), (68, 4717470), (85, 3773976), (102, 3144980), (120, 2673233), (134, 2393940), (136, 2358735), (170, 1886988), (201, 1595960), (204, 1572490), (255, 1257992), (268, 1196970), (335, 957576), (340, 943494), (402, 797980), (408, 786245), (510, 628996), (536, 598485), (670, 478788), (680, 471747), (804, 398990), (1005, 319192), (1020, 314498), (1139, 281640), (1340, 239394), (1608, 199495), (2010, 159596), (2040, 157249), (2278, 140820), (2347, 136680), (2680, 119697), (3417, 93880), (4020, 79798), (4556, 70410), (4694, 68340), (5695, 56328), (6834, 46940), (7041, 45560), (8040, 39899), (9112, 35205), (9388, 34170), (11390, 28164), (11735, 27336), (13668, 23470), (14082, 22780), (17085, 18776)]