813888960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{1699}}^1$

素因数の和:2218

約数の個数: 112

約数和(自身を含む): 2590800000

約数和(自身を除く): 1776911040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 499, 960, 998, 1497, 1699, 1996, 2495, 2994, 3398, 3992, 4990, 5097, 5988, 6796, 7485, 7984, 8495, 9980, 10194, 11976, 13592, 14970, 15968, 16990, 19960, 20388, 23952, 25485, 27184, 29940, 31936, 33980, 39920, 40776, 47904, 50970, 54368, 59880, 67960, 79840, 81552, 95808, 101940, 108736, 119760, 135920, 159680, 163104, 203880, 239520, 271840, 326208, 407760, 479040, 543680, 815520, 847801, 1631040, 1695602, 2543403, 3391204, 4239005, 5086806, 6782408, 8478010, 10173612, 12717015, 13564816, 16956020, 20347224, 25434030, 27129632, 33912040, 40694448, 50868060, 54259264, 67824080, 81388896, 101736120, 135648160, 162777792, 203472240, 271296320, 406944480, 813888960]

約数ペア:

[(1, 813888960), (2, 406944480), (3, 271296320), (4, 203472240), (5, 162777792), (6, 135648160), (8, 101736120), (10, 81388896), (12, 67824080), (15, 54259264), (16, 50868060), (20, 40694448), (24, 33912040), (30, 27129632), (32, 25434030), (40, 20347224), (48, 16956020), (60, 13564816), (64, 12717015), (80, 10173612), (96, 8478010), (120, 6782408), (160, 5086806), (192, 4239005), (240, 3391204), (320, 2543403), (480, 1695602), (499, 1631040), (960, 847801), (998, 815520), (1497, 543680), (1699, 479040), (1996, 407760), (2495, 326208), (2994, 271840), (3398, 239520), (3992, 203880), (4990, 163104), (5097, 159680), (5988, 135920), (6796, 119760), (7485, 108736), (7984, 101940), (8495, 95808), (9980, 81552), (10194, 79840), (11976, 67960), (13592, 59880), (14970, 54368), (15968, 50970), (16990, 47904), (19960, 40776), (20388, 39920), (23952, 33980), (25485, 31936), (27184, 29940)]