642117360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{3299}}^1$

素因数の和:4126

約数の個数: 80

約数和(自身を含む): 1993622400

約数和(自身を除く): 1351505040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 811, 1622, 2433, 3244, 3299, 4055, 4866, 6488, 6598, 8110, 9732, 9897, 12165, 12976, 13196, 16220, 16495, 19464, 19794, 24330, 26392, 32440, 32990, 38928, 39588, 48660, 49485, 52784, 64880, 65980, 79176, 97320, 98970, 131960, 158352, 194640, 197940, 263920, 395880, 791760, 2675489, 5350978, 8026467, 10701956, 13377445, 16052934, 21403912, 26754890, 32105868, 40132335, 42807824, 53509780, 64211736, 80264670, 107019560, 128423472, 160529340, 214039120, 321058680, 642117360]

約数ペア:

[(1, 642117360), (2, 321058680), (3, 214039120), (4, 160529340), (5, 128423472), (6, 107019560), (8, 80264670), (10, 64211736), (12, 53509780), (15, 42807824), (16, 40132335), (20, 32105868), (24, 26754890), (30, 21403912), (40, 16052934), (48, 13377445), (60, 10701956), (80, 8026467), (120, 5350978), (240, 2675489), (811, 791760), (1622, 395880), (2433, 263920), (3244, 197940), (3299, 194640), (4055, 158352), (4866, 131960), (6488, 98970), (6598, 97320), (8110, 79176), (9732, 65980), (9897, 64880), (12165, 52784), (12976, 49485), (13196, 48660), (16220, 39588), (16495, 38928), (19464, 32990), (19794, 32440), (24330, 26392)]