159487900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 428722560

約数和(自身を除く): 269234660

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 25, 26, 38, 44, 50, 52, 55, 65, 76, 95, 100, 110, 130, 143, 190, 209, 220, 247, 260, 275, 286, 325, 380, 418, 475, 494, 550, 572, 587, 650, 715, 836, 950, 988, 1045, 1100, 1174, 1235, 1300, 1430, 1900, 2090, 2348, 2470, 2717, 2860, 2935, 3575, 4180, 4940, 5225, 5434, 5870, 6175, 6457, 7150, 7631, 10450, 10868, 11153, 11740, 12350, 12914, 13585, 14300, 14675, 15262, 20900, 22306, 24700, 25828, 27170, 29350, 30524, 32285, 38155, 44612, 54340, 55765, 58700, 64570, 67925, 76310, 83941, 111530, 122683, 129140, 135850, 144989, 152620, 161425, 167882, 190775, 223060, 245366, 271700, 278825, 289978, 322850, 335764, 381550, 419705, 490732, 557650, 579956, 613415, 645700, 724945, 763100, 839410, 1115300, 1226830, 1449890, 1594879, 1678820, 2098525, 2453660, 2899780, 3067075, 3189758, 3624725, 4197050, 6134150, 6379516, 7249450, 7974395, 8394100, 12268300, 14498900, 15948790, 31897580, 39871975, 79743950, 159487900]

約数ペア:

[(1, 159487900), (2, 79743950), (4, 39871975), (5, 31897580), (10, 15948790), (11, 14498900), (13, 12268300), (19, 8394100), (20, 7974395), (22, 7249450), (25, 6379516), (26, 6134150), (38, 4197050), (44, 3624725), (50, 3189758), (52, 3067075), (55, 2899780), (65, 2453660), (76, 2098525), (95, 1678820), (100, 1594879), (110, 1449890), (130, 1226830), (143, 1115300), (190, 839410), (209, 763100), (220, 724945), (247, 645700), (260, 613415), (275, 579956), (286, 557650), (325, 490732), (380, 419705), (418, 381550), (475, 335764), (494, 322850), (550, 289978), (572, 278825), (587, 271700), (650, 245366), (715, 223060), (836, 190775), (950, 167882), (988, 161425), (1045, 152620), (1100, 144989), (1174, 135850), (1235, 129140), (1300, 122683), (1430, 111530), (1900, 83941), (2090, 76310), (2348, 67925), (2470, 64570), (2717, 58700), (2860, 55765), (2935, 54340), (3575, 44612), (4180, 38155), (4940, 32285), (5225, 30524), (5434, 29350), (5870, 27170), (6175, 25828), (6457, 24700), (7150, 22306), (7631, 20900), (10450, 15262), (10868, 14675), (11153, 14300), (11740, 13585), (12350, 12914)]