64796880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269987}}^1$

素因数の和:270003

約数の個数: 40

約数和(自身を含む): 200871072

約数和(自身を除く): 136074192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269987, 539974, 809961, 1079948, 1349935, 1619922, 2159896, 2699870, 3239844, 4049805, 4319792, 5399740, 6479688, 8099610, 10799480, 12959376, 16199220, 21598960, 32398440, 64796880]

約数ペア:

[(1, 64796880), (2, 32398440), (3, 21598960), (4, 16199220), (5, 12959376), (6, 10799480), (8, 8099610), (10, 6479688), (12, 5399740), (15, 4319792), (16, 4049805), (20, 3239844), (24, 2699870), (30, 2159896), (40, 1619922), (48, 1349935), (60, 1079948), (80, 809961), (120, 539974), (240, 269987)]