12615990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5923}}^1$

素因数の和:6004

約数の個数: 32

約数和(自身を含む): 30710016

約数和(自身を除く): 18094026

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 5923, 11846, 17769, 29615, 35538, 59230, 88845, 177690, 420533, 841066, 1261599, 2102665, 2523198, 4205330, 6307995, 12615990]

約数ペア:

[(1, 12615990), (2, 6307995), (3, 4205330), (5, 2523198), (6, 2102665), (10, 1261599), (15, 841066), (30, 420533), (71, 177690), (142, 88845), (213, 59230), (355, 35538), (426, 29615), (710, 17769), (1065, 11846), (2130, 5923)]