1284806640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1723}}^1$

素因数の和:1991

約数の個数: 160

約数和(自身を含む): 4309724160

約数和(自身を除く): 3024917520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 239, 240, 260, 312, 390, 478, 520, 624, 717, 780, 956, 1040, 1195, 1434, 1560, 1723, 1912, 2390, 2868, 3107, 3120, 3446, 3585, 3824, 4780, 5169, 5736, 6214, 6892, 7170, 8615, 9321, 9560, 10338, 11472, 12428, 13784, 14340, 15535, 17230, 18642, 19120, 20676, 22399, 24856, 25845, 27568, 28680, 31070, 34460, 37284, 41352, 44798, 46605, 49712, 51690, 57360, 62140, 67197, 68920, 74568, 82704, 89596, 93210, 103380, 111995, 124280, 134394, 137840, 149136, 179192, 186420, 206760, 223990, 248560, 268788, 335985, 358384, 372840, 411797, 413520, 447980, 537576, 671970, 745680, 823594, 895960, 1075152, 1235391, 1343940, 1647188, 1791920, 2058985, 2470782, 2687880, 3294376, 4117970, 4941564, 5353361, 5375760, 6176955, 6588752, 8235940, 9883128, 10706722, 12353910, 16060083, 16471880, 19766256, 21413444, 24707820, 26766805, 32120166, 32943760, 42826888, 49415640, 53533610, 64240332, 80300415, 85653776, 98831280, 107067220, 128480664, 160600830, 214134440, 256961328, 321201660, 428268880, 642403320, 1284806640]

約数ペア:

[(1, 1284806640), (2, 642403320), (3, 428268880), (4, 321201660), (5, 256961328), (6, 214134440), (8, 160600830), (10, 128480664), (12, 107067220), (13, 98831280), (15, 85653776), (16, 80300415), (20, 64240332), (24, 53533610), (26, 49415640), (30, 42826888), (39, 32943760), (40, 32120166), (48, 26766805), (52, 24707820), (60, 21413444), (65, 19766256), (78, 16471880), (80, 16060083), (104, 12353910), (120, 10706722), (130, 9883128), (156, 8235940), (195, 6588752), (208, 6176955), (239, 5375760), (240, 5353361), (260, 4941564), (312, 4117970), (390, 3294376), (478, 2687880), (520, 2470782), (624, 2058985), (717, 1791920), (780, 1647188), (956, 1343940), (1040, 1235391), (1195, 1075152), (1434, 895960), (1560, 823594), (1723, 745680), (1912, 671970), (2390, 537576), (2868, 447980), (3107, 413520), (3120, 411797), (3446, 372840), (3585, 358384), (3824, 335985), (4780, 268788), (5169, 248560), (5736, 223990), (6214, 206760), (6892, 186420), (7170, 179192), (8615, 149136), (9321, 137840), (9560, 134394), (10338, 124280), (11472, 111995), (12428, 103380), (13784, 93210), (14340, 89596), (15535, 82704), (17230, 74568), (18642, 68920), (19120, 67197), (20676, 62140), (22399, 57360), (24856, 51690), (25845, 49712), (27568, 46605), (28680, 44798), (31070, 41352), (34460, 37284)]