220574145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1566

約数の個数: 64

約数和(自身を含む): 411402240

約数和(自身を除く): 190828095

約数列:

[1, 3, 5, 11, 15, 29, 31, 33, 55, 87, 93, 145, 155, 165, 319, 341, 435, 465, 899, 957, 1023, 1487, 1595, 1705, 2697, 4461, 4495, 4785, 5115, 7435, 9889, 13485, 16357, 22305, 29667, 43123, 46097, 49071, 49445, 81785, 129369, 138291, 148335, 215615, 230485, 245355, 474353, 507067, 646845, 691455, 1336813, 1423059, 1521201, 2371765, 2535335, 4010439, 6684065, 7115295, 7606005, 14704943, 20052195, 44114829, 73524715, 220574145]

約数ペア:

[(1, 220574145), (3, 73524715), (5, 44114829), (11, 20052195), (15, 14704943), (29, 7606005), (31, 7115295), (33, 6684065), (55, 4010439), (87, 2535335), (93, 2371765), (145, 1521201), (155, 1423059), (165, 1336813), (319, 691455), (341, 646845), (435, 507067), (465, 474353), (899, 245355), (957, 230485), (1023, 215615), (1487, 148335), (1595, 138291), (1705, 129369), (2697, 81785), (4461, 49445), (4495, 49071), (4785, 46097), (5115, 43123), (7435, 29667), (9889, 22305), (13485, 16357)]