28175940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12041}}^1$

素因数の和:12069

約数の個数: 72

約数和(自身を含む): 92049048

約数和(自身を除く): 63873108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 12041, 24082, 36123, 48164, 60205, 72246, 108369, 120410, 144492, 156533, 180615, 216738, 240820, 313066, 361230, 433476, 469599, 541845, 626132, 722460, 782665, 939198, 1083690, 1408797, 1565330, 1878396, 2167380, 2347995, 2817594, 3130660, 4695990, 5635188, 7043985, 9391980, 14087970, 28175940]

約数ペア:

[(1, 28175940), (2, 14087970), (3, 9391980), (4, 7043985), (5, 5635188), (6, 4695990), (9, 3130660), (10, 2817594), (12, 2347995), (13, 2167380), (15, 1878396), (18, 1565330), (20, 1408797), (26, 1083690), (30, 939198), (36, 782665), (39, 722460), (45, 626132), (52, 541845), (60, 469599), (65, 433476), (78, 361230), (90, 313066), (117, 240820), (130, 216738), (156, 180615), (180, 156533), (195, 144492), (234, 120410), (260, 108369), (390, 72246), (468, 60205), (585, 48164), (780, 36123), (1170, 24082), (2340, 12041)]