881845840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4871}}^1$

素因数の和:4988

約数の個数: 80

約数和(自身を含む): 2145862656

約数和(自身を除く): 1264016816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 1168, 1240, 1460, 2263, 2480, 2920, 4526, 4871, 5840, 9052, 9742, 11315, 18104, 19484, 22630, 24355, 36208, 38968, 45260, 48710, 77936, 90520, 97420, 151001, 181040, 194840, 302002, 355583, 389680, 604004, 711166, 755005, 1208008, 1422332, 1510010, 1777915, 2416016, 2844664, 3020020, 3555830, 5689328, 6040040, 7111660, 11023073, 12080080, 14223320, 22046146, 28446640, 44092292, 55115365, 88184584, 110230730, 176369168, 220461460, 440922920, 881845840]

約数ペア:

[(1, 881845840), (2, 440922920), (4, 220461460), (5, 176369168), (8, 110230730), (10, 88184584), (16, 55115365), (20, 44092292), (31, 28446640), (40, 22046146), (62, 14223320), (73, 12080080), (80, 11023073), (124, 7111660), (146, 6040040), (155, 5689328), (248, 3555830), (292, 3020020), (310, 2844664), (365, 2416016), (496, 1777915), (584, 1510010), (620, 1422332), (730, 1208008), (1168, 755005), (1240, 711166), (1460, 604004), (2263, 389680), (2480, 355583), (2920, 302002), (4526, 194840), (4871, 181040), (5840, 151001), (9052, 97420), (9742, 90520), (11315, 77936), (18104, 48710), (19484, 45260), (22630, 38968), (24355, 36208)]