145772240

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 348229200

約数和(自身を除く): 202456960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 109, 146, 218, 229, 292, 365, 436, 458, 545, 584, 730, 872, 916, 1090, 1145, 1168, 1460, 1744, 1832, 2180, 2290, 2920, 3664, 4360, 4580, 5840, 7957, 8720, 9160, 15914, 16717, 18320, 24961, 31828, 33434, 39785, 49922, 63656, 66868, 79570, 83585, 99844, 124805, 127312, 133736, 159140, 167170, 199688, 249610, 267472, 318280, 334340, 399376, 499220, 636560, 668680, 998440, 1337360, 1822153, 1996880, 3644306, 7288612, 9110765, 14577224, 18221530, 29154448, 36443060, 72886120, 145772240]

約数ペア:

[(1, 145772240), (2, 72886120), (4, 36443060), (5, 29154448), (8, 18221530), (10, 14577224), (16, 9110765), (20, 7288612), (40, 3644306), (73, 1996880), (80, 1822153), (109, 1337360), (146, 998440), (218, 668680), (229, 636560), (292, 499220), (365, 399376), (436, 334340), (458, 318280), (545, 267472), (584, 249610), (730, 199688), (872, 167170), (916, 159140), (1090, 133736), (1145, 127312), (1168, 124805), (1460, 99844), (1744, 83585), (1832, 79570), (2180, 66868), (2290, 63656), (2920, 49922), (3664, 39785), (4360, 33434), (4580, 31828), (5840, 24961), (7957, 18320), (8720, 16717), (9160, 15914)]