31616940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 96

約数和(自身を含む): 94832640

約数和(自身を除く): 63215700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 139, 170, 204, 223, 255, 278, 340, 417, 446, 510, 556, 669, 695, 834, 892, 1020, 1115, 1338, 1390, 1668, 2085, 2230, 2363, 2676, 2780, 3345, 3791, 4170, 4460, 4726, 6690, 7089, 7582, 8340, 9452, 11373, 11815, 13380, 14178, 15164, 18955, 22746, 23630, 28356, 30997, 35445, 37910, 45492, 47260, 56865, 61994, 70890, 75820, 92991, 113730, 123988, 141780, 154985, 185982, 227460, 309970, 371964, 464955, 526949, 619940, 929910, 1053898, 1580847, 1859820, 2107796, 2634745, 3161694, 5269490, 6323388, 7904235, 10538980, 15808470, 31616940]

約数ペア:

[(1, 31616940), (2, 15808470), (3, 10538980), (4, 7904235), (5, 6323388), (6, 5269490), (10, 3161694), (12, 2634745), (15, 2107796), (17, 1859820), (20, 1580847), (30, 1053898), (34, 929910), (51, 619940), (60, 526949), (68, 464955), (85, 371964), (102, 309970), (139, 227460), (170, 185982), (204, 154985), (223, 141780), (255, 123988), (278, 113730), (340, 92991), (417, 75820), (446, 70890), (510, 61994), (556, 56865), (669, 47260), (695, 45492), (834, 37910), (892, 35445), (1020, 30997), (1115, 28356), (1338, 23630), (1390, 22746), (1668, 18955), (2085, 15164), (2230, 14178), (2363, 13380), (2676, 11815), (2780, 11373), (3345, 9452), (3791, 8340), (4170, 7582), (4460, 7089), (4726, 6690)]