74278480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 181559808

約数和(自身を除く): 107281328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 491, 496, 610, 620, 976, 982, 1220, 1240, 1891, 1964, 2440, 2455, 2480, 3782, 3928, 4880, 4910, 7564, 7856, 9455, 9820, 15128, 15221, 18910, 19640, 29951, 30256, 30442, 37820, 39280, 59902, 60884, 75640, 76105, 119804, 121768, 149755, 151280, 152210, 239608, 243536, 299510, 304420, 479216, 599020, 608840, 928481, 1198040, 1217680, 1856962, 2396080, 3713924, 4642405, 7427848, 9284810, 14855696, 18569620, 37139240, 74278480]

約数ペア:

[(1, 74278480), (2, 37139240), (4, 18569620), (5, 14855696), (8, 9284810), (10, 7427848), (16, 4642405), (20, 3713924), (31, 2396080), (40, 1856962), (61, 1217680), (62, 1198040), (80, 928481), (122, 608840), (124, 599020), (155, 479216), (244, 304420), (248, 299510), (305, 243536), (310, 239608), (488, 152210), (491, 151280), (496, 149755), (610, 121768), (620, 119804), (976, 76105), (982, 75640), (1220, 60884), (1240, 59902), (1891, 39280), (1964, 37820), (2440, 30442), (2455, 30256), (2480, 29951), (3782, 19640), (3928, 18910), (4880, 15221), (4910, 15128), (7564, 9820), (7856, 9455)]