15231320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1723}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 39100320

約数和(自身を除く): 23869000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1723, 1768, 2210, 3446, 4420, 6892, 8615, 8840, 13784, 17230, 22399, 29291, 34460, 44798, 58582, 68920, 89596, 111995, 117164, 146455, 179192, 223990, 234328, 292910, 380783, 447980, 585820, 761566, 895960, 1171640, 1523132, 1903915, 3046264, 3807830, 7615660, 15231320]

約数ペア:

[(1, 15231320), (2, 7615660), (4, 3807830), (5, 3046264), (8, 1903915), (10, 1523132), (13, 1171640), (17, 895960), (20, 761566), (26, 585820), (34, 447980), (40, 380783), (52, 292910), (65, 234328), (68, 223990), (85, 179192), (104, 146455), (130, 117164), (136, 111995), (170, 89596), (221, 68920), (260, 58582), (340, 44798), (442, 34460), (520, 29291), (680, 22399), (884, 17230), (1105, 13784), (1723, 8840), (1768, 8615), (2210, 6892), (3446, 4420)]