15843284080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491417}}^1$

素因数の和:491474

約数の個数: 80

約数和(自身を含む): 40948879104

約数和(自身を除く): 25105595024

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, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 491417, 982834, 1965668, 2457085, 3931336, 4914170, 6388421, 7862672, 9828340, 12776842, 15233927, 19656680, 25553684, 30467854, 31942105, 39313360, 51107368, 60935708, 63884210, 76169635, 102214736, 121871416, 127768420, 152339270, 198041051, 243742832, 255536840, 304678540, 396082102, 511073680, 609357080, 792164204, 990205255, 1218714160, 1584328408, 1980410510, 3168656816, 3960821020, 7921642040, 15843284080]

約数ペア:

[(1, 15843284080), (2, 7921642040), (4, 3960821020), (5, 3168656816), (8, 1980410510), (10, 1584328408), (13, 1218714160), (16, 990205255), (20, 792164204), (26, 609357080), (31, 511073680), (40, 396082102), (52, 304678540), (62, 255536840), (65, 243742832), (80, 198041051), (104, 152339270), (124, 127768420), (130, 121871416), (155, 102214736), (208, 76169635), (248, 63884210), (260, 60935708), (310, 51107368), (403, 39313360), (496, 31942105), (520, 30467854), (620, 25553684), (806, 19656680), (1040, 15233927), (1240, 12776842), (1612, 9828340), (2015, 7862672), (2480, 6388421), (3224, 4914170), (4030, 3931336), (6448, 2457085), (8060, 1965668), (16120, 982834), (32240, 491417)]