2440452680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{115771}}^1$

素因数の和:115830

約数の個数: 64

約数和(自身を含む): 6001620480

約数和(自身を除く): 3561167800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 1054, 1240, 2108, 2635, 4216, 5270, 10540, 21080, 115771, 231542, 463084, 578855, 926168, 1157710, 1968107, 2315420, 3588901, 3936214, 4630840, 7177802, 7872428, 9840535, 14355604, 15744856, 17944505, 19681070, 28711208, 35889010, 39362140, 61011317, 71778020, 78724280, 122022634, 143556040, 244045268, 305056585, 488090536, 610113170, 1220226340, 2440452680]

約数ペア:

[(1, 2440452680), (2, 1220226340), (4, 610113170), (5, 488090536), (8, 305056585), (10, 244045268), (17, 143556040), (20, 122022634), (31, 78724280), (34, 71778020), (40, 61011317), (62, 39362140), (68, 35889010), (85, 28711208), (124, 19681070), (136, 17944505), (155, 15744856), (170, 14355604), (248, 9840535), (310, 7872428), (340, 7177802), (527, 4630840), (620, 3936214), (680, 3588901), (1054, 2315420), (1240, 1968107), (2108, 1157710), (2635, 926168), (4216, 578855), (5270, 463084), (10540, 231542), (21080, 115771)]