157274780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 393523200

約数和(自身を除く): 236248420

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 62, 65, 76, 79, 95, 124, 130, 155, 158, 169, 190, 247, 260, 310, 316, 338, 380, 395, 403, 494, 589, 620, 676, 790, 806, 845, 988, 1027, 1178, 1235, 1501, 1580, 1612, 1690, 2015, 2054, 2356, 2449, 2470, 2945, 3002, 3211, 3380, 4030, 4108, 4898, 4940, 5135, 5239, 5890, 6004, 6422, 7505, 7657, 8060, 9796, 10270, 10478, 11780, 12245, 12844, 13351, 15010, 15314, 16055, 19513, 20540, 20956, 24490, 26195, 26702, 30020, 30628, 31837, 32110, 38285, 39026, 46531, 48980, 52390, 53404, 63674, 64220, 66755, 76570, 78052, 93062, 97565, 99541, 104780, 127348, 133510, 153140, 159185, 186124, 195130, 199082, 232655, 253669, 267020, 318370, 390260, 398164, 413881, 465310, 497705, 507338, 604903, 636740, 827762, 930620, 995410, 1014676, 1209806, 1268345, 1655524, 1990820, 2069405, 2419612, 2536690, 3024515, 4138810, 5073380, 6049030, 7863739, 8277620, 12098060, 15727478, 31454956, 39318695, 78637390, 157274780]

約数ペア:

[(1, 157274780), (2, 78637390), (4, 39318695), (5, 31454956), (10, 15727478), (13, 12098060), (19, 8277620), (20, 7863739), (26, 6049030), (31, 5073380), (38, 4138810), (52, 3024515), (62, 2536690), (65, 2419612), (76, 2069405), (79, 1990820), (95, 1655524), (124, 1268345), (130, 1209806), (155, 1014676), (158, 995410), (169, 930620), (190, 827762), (247, 636740), (260, 604903), (310, 507338), (316, 497705), (338, 465310), (380, 413881), (395, 398164), (403, 390260), (494, 318370), (589, 267020), (620, 253669), (676, 232655), (790, 199082), (806, 195130), (845, 186124), (988, 159185), (1027, 153140), (1178, 133510), (1235, 127348), (1501, 104780), (1580, 99541), (1612, 97565), (1690, 93062), (2015, 78052), (2054, 76570), (2356, 66755), (2449, 64220), (2470, 63674), (2945, 53404), (3002, 52390), (3211, 48980), (3380, 46531), (4030, 39026), (4108, 38285), (4898, 32110), (4940, 31837), (5135, 30628), (5239, 30020), (5890, 26702), (6004, 26195), (6422, 24490), (7505, 20956), (7657, 20540), (8060, 19513), (9796, 16055), (10270, 15314), (10478, 15010), (11780, 13351), (12245, 12844)]