64620720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29917}}^1$

素因数の和:29939

約数の個数: 80

約数和(自身を含む): 222589920

約数和(自身を除く): 157969200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 29917, 59834, 89751, 119668, 149585, 179502, 239336, 269253, 299170, 359004, 448755, 478672, 538506, 598340, 718008, 807759, 897510, 1077012, 1196680, 1346265, 1436016, 1615518, 1795020, 2154024, 2393360, 2692530, 3231036, 3590040, 4038795, 4308048, 5385060, 6462072, 7180080, 8077590, 10770120, 12924144, 16155180, 21540240, 32310360, 64620720]

約数ペア:

[(1, 64620720), (2, 32310360), (3, 21540240), (4, 16155180), (5, 12924144), (6, 10770120), (8, 8077590), (9, 7180080), (10, 6462072), (12, 5385060), (15, 4308048), (16, 4038795), (18, 3590040), (20, 3231036), (24, 2692530), (27, 2393360), (30, 2154024), (36, 1795020), (40, 1615518), (45, 1436016), (48, 1346265), (54, 1196680), (60, 1077012), (72, 897510), (80, 807759), (90, 718008), (108, 598340), (120, 538506), (135, 478672), (144, 448755), (180, 359004), (216, 299170), (240, 269253), (270, 239336), (360, 179502), (432, 149585), (540, 119668), (720, 89751), (1080, 59834), (2160, 29917)]