78880890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1583}}^1$

素因数の和:1755

約数の個数: 64

約数和(自身を含む): 208023552

約数和(自身を除く): 129142662

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 151, 165, 302, 330, 453, 755, 906, 1510, 1583, 1661, 2265, 3166, 3322, 4530, 4749, 4983, 7915, 8305, 9498, 9966, 15830, 16610, 17413, 23745, 24915, 34826, 47490, 49830, 52239, 87065, 104478, 174130, 239033, 261195, 478066, 522390, 717099, 1195165, 1434198, 2390330, 2629363, 3585495, 5258726, 7170990, 7888089, 13146815, 15776178, 26293630, 39440445, 78880890]

約数ペア:

[(1, 78880890), (2, 39440445), (3, 26293630), (5, 15776178), (6, 13146815), (10, 7888089), (11, 7170990), (15, 5258726), (22, 3585495), (30, 2629363), (33, 2390330), (55, 1434198), (66, 1195165), (110, 717099), (151, 522390), (165, 478066), (302, 261195), (330, 239033), (453, 174130), (755, 104478), (906, 87065), (1510, 52239), (1583, 49830), (1661, 47490), (2265, 34826), (3166, 24915), (3322, 23745), (4530, 17413), (4749, 16610), (4983, 15830), (7915, 9966), (8305, 9498)]