387514920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248407}}^1$

素因数の和:248434

約数の個数: 64

約数和(自身を含む): 1251976320

約数和(自身を除く): 864461400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 248407, 496814, 745221, 993628, 1242035, 1490442, 1987256, 2484070, 2980884, 3229291, 3726105, 4968140, 5961768, 6458582, 7452210, 9687873, 9936280, 12917164, 14904420, 16146455, 19375746, 25834328, 29808840, 32292910, 38751492, 48439365, 64585820, 77502984, 96878730, 129171640, 193757460, 387514920]

約数ペア:

[(1, 387514920), (2, 193757460), (3, 129171640), (4, 96878730), (5, 77502984), (6, 64585820), (8, 48439365), (10, 38751492), (12, 32292910), (13, 29808840), (15, 25834328), (20, 19375746), (24, 16146455), (26, 14904420), (30, 12917164), (39, 9936280), (40, 9687873), (52, 7452210), (60, 6458582), (65, 5961768), (78, 4968140), (104, 3726105), (120, 3229291), (130, 2980884), (156, 2484070), (195, 1987256), (260, 1490442), (312, 1242035), (390, 993628), (520, 745221), (780, 496814), (1560, 248407)]