420597120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{499}}^1$

素因数の和:960

約数の個数: 128

約数和(自身を含む): 1346400000

約数和(自身を除く): 925802880

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, 128, 160, 192, 240, 320, 384, 439, 480, 499, 640, 878, 960, 998, 1317, 1497, 1756, 1920, 1996, 2195, 2495, 2634, 2994, 3512, 3992, 4390, 4990, 5268, 5988, 6585, 7024, 7485, 7984, 8780, 9980, 10536, 11976, 13170, 14048, 14970, 15968, 17560, 19960, 21072, 23952, 26340, 28096, 29940, 31936, 35120, 39920, 42144, 47904, 52680, 56192, 59880, 63872, 70240, 79840, 84288, 95808, 105360, 119760, 140480, 159680, 168576, 191616, 210720, 219061, 239520, 280960, 319360, 421440, 438122, 479040, 657183, 842880, 876244, 958080, 1095305, 1314366, 1752488, 2190610, 2628732, 3285915, 3504976, 4381220, 5257464, 6571830, 7009952, 8762440, 10514928, 13143660, 14019904, 17524880, 21029856, 26287320, 28039808, 35049760, 42059712, 52574640, 70099520, 84119424, 105149280, 140199040, 210298560, 420597120]

約数ペア:

[(1, 420597120), (2, 210298560), (3, 140199040), (4, 105149280), (5, 84119424), (6, 70099520), (8, 52574640), (10, 42059712), (12, 35049760), (15, 28039808), (16, 26287320), (20, 21029856), (24, 17524880), (30, 14019904), (32, 13143660), (40, 10514928), (48, 8762440), (60, 7009952), (64, 6571830), (80, 5257464), (96, 4381220), (120, 3504976), (128, 3285915), (160, 2628732), (192, 2190610), (240, 1752488), (320, 1314366), (384, 1095305), (439, 958080), (480, 876244), (499, 842880), (640, 657183), (878, 479040), (960, 438122), (998, 421440), (1317, 319360), (1497, 280960), (1756, 239520), (1920, 219061), (1996, 210720), (2195, 191616), (2495, 168576), (2634, 159680), (2994, 140480), (3512, 119760), (3992, 105360), (4390, 95808), (4990, 84288), (5268, 79840), (5988, 70240), (6585, 63872), (7024, 59880), (7485, 56192), (7984, 52680), (8780, 47904), (9980, 42144), (10536, 39920), (11976, 35120), (13170, 31936), (14048, 29940), (14970, 28096), (15968, 26340), (17560, 23952), (19960, 21072)]