79278160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2516

約数の個数: 80

約数和(自身を含む): 204986880

約数和(自身を除く): 125708720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2459, 2480, 3224, 4030, 4918, 6448, 8060, 9836, 12295, 16120, 19672, 24590, 31967, 32240, 39344, 49180, 63934, 76229, 98360, 127868, 152458, 159835, 196720, 255736, 304916, 319670, 381145, 511472, 609832, 639340, 762290, 990977, 1219664, 1278680, 1524580, 1981954, 2557360, 3049160, 3963908, 4954885, 6098320, 7927816, 9909770, 15855632, 19819540, 39639080, 79278160]

約数ペア:

[(1, 79278160), (2, 39639080), (4, 19819540), (5, 15855632), (8, 9909770), (10, 7927816), (13, 6098320), (16, 4954885), (20, 3963908), (26, 3049160), (31, 2557360), (40, 1981954), (52, 1524580), (62, 1278680), (65, 1219664), (80, 990977), (104, 762290), (124, 639340), (130, 609832), (155, 511472), (208, 381145), (248, 319670), (260, 304916), (310, 255736), (403, 196720), (496, 159835), (520, 152458), (620, 127868), (806, 98360), (1040, 76229), (1240, 63934), (1612, 49180), (2015, 39344), (2459, 32240), (2480, 31967), (3224, 24590), (4030, 19672), (4918, 16120), (6448, 12295), (8060, 9836)]