249164760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{159721}}^1$

素因数の和:159748

約数の個数: 64

約数和(自身を含む): 804998880

約数和(自身を除く): 555834120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 159721, 319442, 479163, 638884, 798605, 958326, 1277768, 1597210, 1916652, 2076373, 2395815, 3194420, 3833304, 4152746, 4791630, 6229119, 6388840, 8305492, 9583260, 10381865, 12458238, 16610984, 19166520, 20763730, 24916476, 31145595, 41527460, 49832952, 62291190, 83054920, 124582380, 249164760]

約数ペア:

[(1, 249164760), (2, 124582380), (3, 83054920), (4, 62291190), (5, 49832952), (6, 41527460), (8, 31145595), (10, 24916476), (12, 20763730), (13, 19166520), (15, 16610984), (20, 12458238), (24, 10381865), (26, 9583260), (30, 8305492), (39, 6388840), (40, 6229119), (52, 4791630), (60, 4152746), (65, 3833304), (78, 3194420), (104, 2395815), (120, 2076373), (130, 1916652), (156, 1597210), (195, 1277768), (260, 958326), (312, 798605), (390, 638884), (520, 479163), (780, 319442), (1560, 159721)]