12617740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 29398320

約数和(自身を除く): 16780580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 59, 68, 74, 85, 118, 148, 170, 185, 236, 289, 295, 340, 370, 578, 590, 629, 740, 1003, 1156, 1180, 1258, 1445, 2006, 2183, 2516, 2890, 3145, 4012, 4366, 5015, 5780, 6290, 8732, 10030, 10693, 10915, 12580, 17051, 20060, 21386, 21830, 34102, 37111, 42772, 43660, 53465, 68204, 74222, 85255, 106930, 148444, 170510, 185555, 213860, 341020, 371110, 630887, 742220, 1261774, 2523548, 3154435, 6308870, 12617740]

約数ペア:

[(1, 12617740), (2, 6308870), (4, 3154435), (5, 2523548), (10, 1261774), (17, 742220), (20, 630887), (34, 371110), (37, 341020), (59, 213860), (68, 185555), (74, 170510), (85, 148444), (118, 106930), (148, 85255), (170, 74222), (185, 68204), (236, 53465), (289, 43660), (295, 42772), (340, 37111), (370, 34102), (578, 21830), (590, 21386), (629, 20060), (740, 17051), (1003, 12580), (1156, 10915), (1180, 10693), (1258, 10030), (1445, 8732), (2006, 6290), (2183, 5780), (2516, 5015), (2890, 4366), (3145, 4012)]