66582680

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 154548000

約数和(自身を除く): 87965320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 89, 118, 178, 236, 295, 317, 356, 445, 472, 590, 634, 712, 890, 1180, 1268, 1585, 1780, 2360, 2536, 3170, 3560, 5251, 6340, 10502, 12680, 18703, 21004, 26255, 28213, 37406, 42008, 52510, 56426, 74812, 93515, 105020, 112852, 141065, 149624, 187030, 210040, 225704, 282130, 374060, 564260, 748120, 1128520, 1664567, 3329134, 6658268, 8322835, 13316536, 16645670, 33291340, 66582680]

約数ペア:

[(1, 66582680), (2, 33291340), (4, 16645670), (5, 13316536), (8, 8322835), (10, 6658268), (20, 3329134), (40, 1664567), (59, 1128520), (89, 748120), (118, 564260), (178, 374060), (236, 282130), (295, 225704), (317, 210040), (356, 187030), (445, 149624), (472, 141065), (590, 112852), (634, 105020), (712, 93515), (890, 74812), (1180, 56426), (1268, 52510), (1585, 42008), (1780, 37406), (2360, 28213), (2536, 26255), (3170, 21004), (3560, 18703), (5251, 12680), (6340, 10502)]