30215240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1597}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 75936960

約数和(自身を除く): 45721720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1597, 1720, 1892, 2365, 3194, 3784, 4730, 6388, 7985, 9460, 12776, 15970, 17567, 18920, 31940, 35134, 63880, 68671, 70268, 87835, 137342, 140536, 175670, 274684, 343355, 351340, 549368, 686710, 702680, 755381, 1373420, 1510762, 2746840, 3021524, 3776905, 6043048, 7553810, 15107620, 30215240]

約数ペア:

[(1, 30215240), (2, 15107620), (4, 7553810), (5, 6043048), (8, 3776905), (10, 3021524), (11, 2746840), (20, 1510762), (22, 1373420), (40, 755381), (43, 702680), (44, 686710), (55, 549368), (86, 351340), (88, 343355), (110, 274684), (172, 175670), (215, 140536), (220, 137342), (344, 87835), (430, 70268), (440, 68671), (473, 63880), (860, 35134), (946, 31940), (1597, 18920), (1720, 17567), (1892, 15970), (2365, 12776), (3194, 9460), (3784, 7985), (4730, 6388)]