66706320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{557}}^1$

素因数の和:1072

約数の個数: 80

約数和(自身を含む): 207576000

約数和(自身を除く): 140869680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 557, 998, 1114, 1497, 1671, 1996, 2228, 2495, 2785, 2994, 3342, 3992, 4456, 4990, 5570, 5988, 6684, 7485, 7984, 8355, 8912, 9980, 11140, 11976, 13368, 14970, 16710, 19960, 22280, 23952, 26736, 29940, 33420, 39920, 44560, 59880, 66840, 119760, 133680, 277943, 555886, 833829, 1111772, 1389715, 1667658, 2223544, 2779430, 3335316, 4169145, 4447088, 5558860, 6670632, 8338290, 11117720, 13341264, 16676580, 22235440, 33353160, 66706320]

約数ペア:

[(1, 66706320), (2, 33353160), (3, 22235440), (4, 16676580), (5, 13341264), (6, 11117720), (8, 8338290), (10, 6670632), (12, 5558860), (15, 4447088), (16, 4169145), (20, 3335316), (24, 2779430), (30, 2223544), (40, 1667658), (48, 1389715), (60, 1111772), (80, 833829), (120, 555886), (240, 277943), (499, 133680), (557, 119760), (998, 66840), (1114, 59880), (1497, 44560), (1671, 39920), (1996, 33420), (2228, 29940), (2495, 26736), (2785, 23952), (2994, 22280), (3342, 19960), (3992, 16710), (4456, 14970), (4990, 13368), (5570, 11976), (5988, 11140), (6684, 9980), (7485, 8912), (7984, 8355)]