255988880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1489}}^1$

素因数の和:1816

約数の個数: 80

約数和(自身を含む): 682872960

約数和(自身を除く): 426884080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 560, 614, 1228, 1489, 1535, 2149, 2456, 2978, 3070, 4298, 4912, 5956, 6140, 7445, 8596, 10423, 10745, 11912, 12280, 14890, 17192, 20846, 21490, 23824, 24560, 29780, 34384, 41692, 42980, 52115, 59560, 83384, 85960, 104230, 119120, 166768, 171920, 208460, 416920, 457123, 833840, 914246, 1828492, 2285615, 3199861, 3656984, 4571230, 6399722, 7313968, 9142460, 12799444, 15999305, 18284920, 25598888, 31998610, 36569840, 51197776, 63997220, 127994440, 255988880]

約数ペア:

[(1, 255988880), (2, 127994440), (4, 63997220), (5, 51197776), (7, 36569840), (8, 31998610), (10, 25598888), (14, 18284920), (16, 15999305), (20, 12799444), (28, 9142460), (35, 7313968), (40, 6399722), (56, 4571230), (70, 3656984), (80, 3199861), (112, 2285615), (140, 1828492), (280, 914246), (307, 833840), (560, 457123), (614, 416920), (1228, 208460), (1489, 171920), (1535, 166768), (2149, 119120), (2456, 104230), (2978, 85960), (3070, 83384), (4298, 59560), (4912, 52115), (5956, 42980), (6140, 41692), (7445, 34384), (8596, 29780), (10423, 24560), (10745, 23824), (11912, 21490), (12280, 20846), (14890, 17192)]