645603720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{125117}}^1$

素因数の和:125174

約数の個数: 64

約数和(自身を含む): 1981869120

約数和(自身を除く): 1336265400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 125117, 250234, 375351, 500468, 625585, 750702, 1000936, 1251170, 1501404, 1876755, 2502340, 3002808, 3753510, 5004680, 5380031, 7507020, 10760062, 15014040, 16140093, 21520124, 26900155, 32280186, 43040248, 53800310, 64560372, 80700465, 107600620, 129120744, 161400930, 215201240, 322801860, 645603720]

約数ペア:

[(1, 645603720), (2, 322801860), (3, 215201240), (4, 161400930), (5, 129120744), (6, 107600620), (8, 80700465), (10, 64560372), (12, 53800310), (15, 43040248), (20, 32280186), (24, 26900155), (30, 21520124), (40, 16140093), (43, 15014040), (60, 10760062), (86, 7507020), (120, 5380031), (129, 5004680), (172, 3753510), (215, 3002808), (258, 2502340), (344, 1876755), (430, 1501404), (516, 1251170), (645, 1000936), (860, 750702), (1032, 625585), (1290, 500468), (1720, 375351), (2580, 250234), (5160, 125117)]