66619920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1997}}^1$

素因数の和:2152

約数の個数: 80

約数和(自身を含む): 208111680

約数和(自身を除く): 141491760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 139, 240, 278, 417, 556, 695, 834, 1112, 1390, 1668, 1997, 2085, 2224, 2780, 3336, 3994, 4170, 5560, 5991, 6672, 7988, 8340, 9985, 11120, 11982, 15976, 16680, 19970, 23964, 29955, 31952, 33360, 39940, 47928, 59910, 79880, 95856, 119820, 159760, 239640, 277583, 479280, 555166, 832749, 1110332, 1387915, 1665498, 2220664, 2775830, 3330996, 4163745, 4441328, 5551660, 6661992, 8327490, 11103320, 13323984, 16654980, 22206640, 33309960, 66619920]

約数ペア:

[(1, 66619920), (2, 33309960), (3, 22206640), (4, 16654980), (5, 13323984), (6, 11103320), (8, 8327490), (10, 6661992), (12, 5551660), (15, 4441328), (16, 4163745), (20, 3330996), (24, 2775830), (30, 2220664), (40, 1665498), (48, 1387915), (60, 1110332), (80, 832749), (120, 555166), (139, 479280), (240, 277583), (278, 239640), (417, 159760), (556, 119820), (695, 95856), (834, 79880), (1112, 59910), (1390, 47928), (1668, 39940), (1997, 33360), (2085, 31952), (2224, 29955), (2780, 23964), (3336, 19970), (3994, 16680), (4170, 15976), (5560, 11982), (5991, 11120), (6672, 9985), (7988, 8340)]