18977520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:862

約数の個数: 80

約数和(自身を含む): 59460480

約数和(自身を除く): 40482960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 739, 856, 1070, 1284, 1478, 1605, 1712, 2140, 2217, 2568, 2956, 3210, 3695, 4280, 4434, 5136, 5912, 6420, 7390, 8560, 8868, 11085, 11824, 12840, 14780, 17736, 22170, 25680, 29560, 35472, 44340, 59120, 79073, 88680, 158146, 177360, 237219, 316292, 395365, 474438, 632584, 790730, 948876, 1186095, 1265168, 1581460, 1897752, 2372190, 3162920, 3795504, 4744380, 6325840, 9488760, 18977520]

約数ペア:

[(1, 18977520), (2, 9488760), (3, 6325840), (4, 4744380), (5, 3795504), (6, 3162920), (8, 2372190), (10, 1897752), (12, 1581460), (15, 1265168), (16, 1186095), (20, 948876), (24, 790730), (30, 632584), (40, 474438), (48, 395365), (60, 316292), (80, 237219), (107, 177360), (120, 158146), (214, 88680), (240, 79073), (321, 59120), (428, 44340), (535, 35472), (642, 29560), (739, 25680), (856, 22170), (1070, 17736), (1284, 14780), (1478, 12840), (1605, 11824), (1712, 11085), (2140, 8868), (2217, 8560), (2568, 7390), (2956, 6420), (3210, 5912), (3695, 5136), (4280, 4434)]