148689640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1055

約数の個数: 96

約数和(自身を含む): 379975680

約数和(自身を除く): 231286040

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, 991, 1210, 1240, 1364, 1705, 1982, 2420, 2728, 3410, 3751, 3964, 4840, 4955, 6820, 7502, 7928, 9910, 10901, 13640, 15004, 18755, 19820, 21802, 30008, 30721, 37510, 39640, 43604, 54505, 61442, 75020, 87208, 109010, 119911, 122884, 150040, 153605, 218020, 239822, 245768, 307210, 337931, 436040, 479644, 599555, 614420, 675862, 959288, 1199110, 1228840, 1351724, 1689655, 2398220, 2703448, 3379310, 3717241, 4796440, 6758620, 7434482, 13517240, 14868964, 18586205, 29737928, 37172410, 74344820, 148689640]

約数ペア:

[(1, 148689640), (2, 74344820), (4, 37172410), (5, 29737928), (8, 18586205), (10, 14868964), (11, 13517240), (20, 7434482), (22, 6758620), (31, 4796440), (40, 3717241), (44, 3379310), (55, 2703448), (62, 2398220), (88, 1689655), (110, 1351724), (121, 1228840), (124, 1199110), (155, 959288), (220, 675862), (242, 614420), (248, 599555), (310, 479644), (341, 436040), (440, 337931), (484, 307210), (605, 245768), (620, 239822), (682, 218020), (968, 153605), (991, 150040), (1210, 122884), (1240, 119911), (1364, 109010), (1705, 87208), (1982, 75020), (2420, 61442), (2728, 54505), (3410, 43604), (3751, 39640), (3964, 37510), (4840, 30721), (4955, 30008), (6820, 21802), (7502, 19820), (7928, 18755), (9910, 15004), (10901, 13640)]