71879640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{85571}}^1$

素因数の和:85592

約数の個数: 64

約数和(自身を含む): 246447360

約数和(自身を除く): 174567720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 85571, 171142, 256713, 342284, 427855, 513426, 598997, 684568, 855710, 1026852, 1197994, 1283565, 1711420, 1796991, 2053704, 2395988, 2567130, 2994985, 3422840, 3593982, 4791976, 5134260, 5989970, 7187964, 8984955, 10268520, 11979940, 14375928, 17969910, 23959880, 35939820, 71879640]

約数ペア:

[(1, 71879640), (2, 35939820), (3, 23959880), (4, 17969910), (5, 14375928), (6, 11979940), (7, 10268520), (8, 8984955), (10, 7187964), (12, 5989970), (14, 5134260), (15, 4791976), (20, 3593982), (21, 3422840), (24, 2994985), (28, 2567130), (30, 2395988), (35, 2053704), (40, 1796991), (42, 1711420), (56, 1283565), (60, 1197994), (70, 1026852), (84, 855710), (105, 684568), (120, 598997), (140, 513426), (168, 427855), (210, 342284), (280, 256713), (420, 171142), (840, 85571)]