40203180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1499}}^1$

素因数の和:1663

約数の個数: 72

約数和(自身を含む): 122850000

約数和(自身を除く): 82646820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1499, 1788, 2235, 2682, 2980, 2998, 4470, 4497, 5364, 5996, 6705, 7495, 8940, 8994, 13410, 13491, 14990, 17988, 22485, 26820, 26982, 29980, 44970, 53964, 67455, 89940, 134910, 223351, 269820, 446702, 670053, 893404, 1116755, 1340106, 2010159, 2233510, 2680212, 3350265, 4020318, 4467020, 6700530, 8040636, 10050795, 13401060, 20101590, 40203180]

約数ペア:

[(1, 40203180), (2, 20101590), (3, 13401060), (4, 10050795), (5, 8040636), (6, 6700530), (9, 4467020), (10, 4020318), (12, 3350265), (15, 2680212), (18, 2233510), (20, 2010159), (30, 1340106), (36, 1116755), (45, 893404), (60, 670053), (90, 446702), (149, 269820), (180, 223351), (298, 134910), (447, 89940), (596, 67455), (745, 53964), (894, 44970), (1341, 29980), (1490, 26982), (1499, 26820), (1788, 22485), (2235, 17988), (2682, 14990), (2980, 13491), (2998, 13410), (4470, 8994), (4497, 8940), (5364, 7495), (5996, 6705)]