129431640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2861}}^1$

素因数の和:2917

約数の個数: 128

約数和(自身を含む): 432734400

約数和(自身を除く): 303302760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 696, 754, 780, 870, 1131, 1160, 1508, 1560, 1740, 1885, 2262, 2861, 3016, 3480, 3770, 4524, 5655, 5722, 7540, 8583, 9048, 11310, 11444, 14305, 15080, 17166, 22620, 22888, 28610, 34332, 37193, 42915, 45240, 57220, 68664, 74386, 82969, 85830, 111579, 114440, 148772, 165938, 171660, 185965, 223158, 248907, 297544, 331876, 343320, 371930, 414845, 446316, 497814, 557895, 663752, 743860, 829690, 892632, 995628, 1078597, 1115790, 1244535, 1487720, 1659380, 1991256, 2157194, 2231580, 2489070, 3235791, 3318760, 4314388, 4463160, 4978140, 5392985, 6471582, 8628776, 9956280, 10785970, 12943164, 16178955, 21571940, 25886328, 32357910, 43143880, 64715820, 129431640]

約数ペア:

[(1, 129431640), (2, 64715820), (3, 43143880), (4, 32357910), (5, 25886328), (6, 21571940), (8, 16178955), (10, 12943164), (12, 10785970), (13, 9956280), (15, 8628776), (20, 6471582), (24, 5392985), (26, 4978140), (29, 4463160), (30, 4314388), (39, 3318760), (40, 3235791), (52, 2489070), (58, 2231580), (60, 2157194), (65, 1991256), (78, 1659380), (87, 1487720), (104, 1244535), (116, 1115790), (120, 1078597), (130, 995628), (145, 892632), (156, 829690), (174, 743860), (195, 663752), (232, 557895), (260, 497814), (290, 446316), (312, 414845), (348, 371930), (377, 343320), (390, 331876), (435, 297544), (520, 248907), (580, 223158), (696, 185965), (754, 171660), (780, 165938), (870, 148772), (1131, 114440), (1160, 111579), (1508, 85830), (1560, 82969), (1740, 74386), (1885, 68664), (2262, 57220), (2861, 45240), (3016, 42915), (3480, 37193), (3770, 34332), (4524, 28610), (5655, 22888), (5722, 22620), (7540, 17166), (8583, 15080), (9048, 14305), (11310, 11444)]