12156900780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2564747}}^1$

素因数の和:2564838

約数の個数: 48

約数和(自身を含む): 34470213120

約数和(自身を除く): 22313312340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 2564747, 5129494, 7694241, 10258988, 12823735, 15388482, 25647470, 30776964, 38471205, 51294940, 76942410, 153884820, 202615013, 405230026, 607845039, 810460052, 1013075065, 1215690078, 2026150130, 2431380156, 3039225195, 4052300260, 6078450390, 12156900780]

約数ペア:

[(1, 12156900780), (2, 6078450390), (3, 4052300260), (4, 3039225195), (5, 2431380156), (6, 2026150130), (10, 1215690078), (12, 1013075065), (15, 810460052), (20, 607845039), (30, 405230026), (60, 202615013), (79, 153884820), (158, 76942410), (237, 51294940), (316, 38471205), (395, 30776964), (474, 25647470), (790, 15388482), (948, 12823735), (1185, 10258988), (1580, 7694241), (2370, 5129494), (4740, 2564747)]