61561360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{521}}^1$

素因数の和:752

約数の個数: 80

約数和(自身を含む): 164668032

約数和(自身を除く): 103106672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 211, 280, 422, 521, 560, 844, 1042, 1055, 1477, 1688, 2084, 2110, 2605, 2954, 3376, 3647, 4168, 4220, 5210, 5908, 7294, 7385, 8336, 8440, 10420, 11816, 14588, 14770, 16880, 18235, 20840, 23632, 29176, 29540, 36470, 41680, 58352, 59080, 72940, 109931, 118160, 145880, 219862, 291760, 439724, 549655, 769517, 879448, 1099310, 1539034, 1758896, 2198620, 3078068, 3847585, 4397240, 6156136, 7695170, 8794480, 12312272, 15390340, 30780680, 61561360]

約数ペア:

[(1, 61561360), (2, 30780680), (4, 15390340), (5, 12312272), (7, 8794480), (8, 7695170), (10, 6156136), (14, 4397240), (16, 3847585), (20, 3078068), (28, 2198620), (35, 1758896), (40, 1539034), (56, 1099310), (70, 879448), (80, 769517), (112, 549655), (140, 439724), (211, 291760), (280, 219862), (422, 145880), (521, 118160), (560, 109931), (844, 72940), (1042, 59080), (1055, 58352), (1477, 41680), (1688, 36470), (2084, 29540), (2110, 29176), (2605, 23632), (2954, 20840), (3376, 18235), (3647, 16880), (4168, 14770), (4220, 14588), (5210, 11816), (5908, 10420), (7294, 8440), (7385, 8336)]