66515280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21319}}^1$

素因数の和:21348

約数の個数: 80

約数和(自身を含む): 222069120

約数和(自身を除く): 155553840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21319, 42638, 63957, 85276, 106595, 127914, 170552, 213190, 255828, 277147, 319785, 341104, 426380, 511656, 554294, 639570, 831441, 852760, 1023312, 1108588, 1279140, 1385735, 1662882, 1705520, 2217176, 2558280, 2771470, 3325764, 4157205, 4434352, 5116560, 5542940, 6651528, 8314410, 11085880, 13303056, 16628820, 22171760, 33257640, 66515280]

約数ペア:

[(1, 66515280), (2, 33257640), (3, 22171760), (4, 16628820), (5, 13303056), (6, 11085880), (8, 8314410), (10, 6651528), (12, 5542940), (13, 5116560), (15, 4434352), (16, 4157205), (20, 3325764), (24, 2771470), (26, 2558280), (30, 2217176), (39, 1705520), (40, 1662882), (48, 1385735), (52, 1279140), (60, 1108588), (65, 1023312), (78, 852760), (80, 831441), (104, 639570), (120, 554294), (130, 511656), (156, 426380), (195, 341104), (208, 319785), (240, 277147), (260, 255828), (312, 213190), (390, 170552), (520, 127914), (624, 106595), (780, 85276), (1040, 63957), (1560, 42638), (3120, 21319)]