66270560

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{431}}^1$

素因数の和:508

約数の個数: 72

約数和(自身を含む): 162152928

約数和(自身を除く): 95882368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 431, 496, 620, 862, 961, 992, 1240, 1724, 1922, 2155, 2480, 3448, 3844, 4310, 4805, 4960, 6896, 7688, 8620, 9610, 13361, 13792, 15376, 17240, 19220, 26722, 30752, 34480, 38440, 53444, 66805, 68960, 76880, 106888, 133610, 153760, 213776, 267220, 414191, 427552, 534440, 828382, 1068880, 1656764, 2070955, 2137760, 3313528, 4141910, 6627056, 8283820, 13254112, 16567640, 33135280, 66270560]

約数ペア:

[(1, 66270560), (2, 33135280), (4, 16567640), (5, 13254112), (8, 8283820), (10, 6627056), (16, 4141910), (20, 3313528), (31, 2137760), (32, 2070955), (40, 1656764), (62, 1068880), (80, 828382), (124, 534440), (155, 427552), (160, 414191), (248, 267220), (310, 213776), (431, 153760), (496, 133610), (620, 106888), (862, 76880), (961, 68960), (992, 66805), (1240, 53444), (1724, 38440), (1922, 34480), (2155, 30752), (2480, 26722), (3448, 19220), (3844, 17240), (4310, 15376), (4805, 13792), (4960, 13361), (6896, 9610), (7688, 8620)]