1986563280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{636719}}^1$

素因数の和:636748

約数の個数: 80

約数和(自身を含む): 6632075520

約数和(自身を除く): 4645512240

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, 636719, 1273438, 1910157, 2546876, 3183595, 3820314, 5093752, 6367190, 7640628, 8277347, 9550785, 10187504, 12734380, 15281256, 16554694, 19101570, 24832041, 25468760, 30562512, 33109388, 38203140, 41386735, 49664082, 50937520, 66218776, 76406280, 82773470, 99328164, 124160205, 132437552, 152812560, 165546940, 198656328, 248320410, 331093880, 397312656, 496640820, 662187760, 993281640, 1986563280]

約数ペア:

[(1, 1986563280), (2, 993281640), (3, 662187760), (4, 496640820), (5, 397312656), (6, 331093880), (8, 248320410), (10, 198656328), (12, 165546940), (13, 152812560), (15, 132437552), (16, 124160205), (20, 99328164), (24, 82773470), (26, 76406280), (30, 66218776), (39, 50937520), (40, 49664082), (48, 41386735), (52, 38203140), (60, 33109388), (65, 30562512), (78, 25468760), (80, 24832041), (104, 19101570), (120, 16554694), (130, 15281256), (156, 12734380), (195, 10187504), (208, 9550785), (240, 8277347), (260, 7640628), (312, 6367190), (390, 5093752), (520, 3820314), (624, 3183595), (780, 2546876), (1040, 1910157), (1560, 1273438), (3120, 636719)]