145688840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1035

約数の個数: 96

約数和(自身を含む): 372314880

約数和(自身を除く): 226626040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 121, 124, 155, 220, 242, 248, 310, 341, 440, 484, 605, 620, 682, 968, 971, 1210, 1240, 1364, 1705, 1942, 2420, 2728, 3410, 3751, 3884, 4840, 4855, 6820, 7502, 7768, 9710, 10681, 13640, 15004, 18755, 19420, 21362, 30008, 30101, 37510, 38840, 42724, 53405, 60202, 75020, 85448, 106810, 117491, 120404, 150040, 150505, 213620, 234982, 240808, 301010, 331111, 427240, 469964, 587455, 602020, 662222, 939928, 1174910, 1204040, 1324444, 1655555, 2349820, 2648888, 3311110, 3642221, 4699640, 6622220, 7284442, 13244440, 14568884, 18211105, 29137768, 36422210, 72844420, 145688840]

約数ペア:

[(1, 145688840), (2, 72844420), (4, 36422210), (5, 29137768), (8, 18211105), (10, 14568884), (11, 13244440), (20, 7284442), (22, 6622220), (31, 4699640), (40, 3642221), (44, 3311110), (55, 2648888), (62, 2349820), (88, 1655555), (110, 1324444), (121, 1204040), (124, 1174910), (155, 939928), (220, 662222), (242, 602020), (248, 587455), (310, 469964), (341, 427240), (440, 331111), (484, 301010), (605, 240808), (620, 234982), (682, 213620), (968, 150505), (971, 150040), (1210, 120404), (1240, 117491), (1364, 106810), (1705, 85448), (1942, 75020), (2420, 60202), (2728, 53405), (3410, 42724), (3751, 38840), (3884, 37510), (4840, 30101), (4855, 30008), (6820, 21362), (7502, 19420), (7768, 18755), (9710, 15004), (10681, 13640)]