7531257640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1\times {\mathrm{2677}}^1$

素因数の和:3902

約数の個数: 64

約数和(自身を含む): 17244498960

約数和(自身を除く): 9713241320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1153, 1220, 2306, 2440, 2677, 4612, 5354, 5765, 9224, 10708, 11530, 13385, 21416, 23060, 26770, 46120, 53540, 70333, 107080, 140666, 163297, 281332, 326594, 351665, 562664, 653188, 703330, 816485, 1306376, 1406660, 1632970, 2813320, 3086581, 3265940, 6173162, 6531880, 12346324, 15432905, 24692648, 30865810, 61731620, 123463240, 188281441, 376562882, 753125764, 941407205, 1506251528, 1882814410, 3765628820, 7531257640]

約数ペア:

[(1, 7531257640), (2, 3765628820), (4, 1882814410), (5, 1506251528), (8, 941407205), (10, 753125764), (20, 376562882), (40, 188281441), (61, 123463240), (122, 61731620), (244, 30865810), (305, 24692648), (488, 15432905), (610, 12346324), (1153, 6531880), (1220, 6173162), (2306, 3265940), (2440, 3086581), (2677, 2813320), (4612, 1632970), (5354, 1406660), (5765, 1306376), (9224, 816485), (10708, 703330), (11530, 653188), (13385, 562664), (21416, 351665), (23060, 326594), (26770, 281332), (46120, 163297), (53540, 140666), (70333, 107080)]