71819580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{557}}^1$

素因数の和:883

約数の個数: 96

約数和(自身を含む): 230985216

約数和(自身を除く): 159165636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 307, 420, 557, 614, 921, 1114, 1228, 1535, 1671, 1842, 2149, 2228, 2785, 3070, 3342, 3684, 3899, 4298, 4605, 5570, 6140, 6447, 6684, 7798, 8355, 8596, 9210, 10745, 11140, 11697, 12894, 15596, 16710, 18420, 19495, 21490, 23394, 25788, 32235, 33420, 38990, 42980, 46788, 58485, 64470, 77980, 116970, 128940, 170999, 233940, 341998, 512997, 683996, 854995, 1025994, 1196993, 1709990, 2051988, 2393986, 2564985, 3419980, 3590979, 4787972, 5129970, 5984965, 7181958, 10259940, 11969930, 14363916, 17954895, 23939860, 35909790, 71819580]

約数ペア:

[(1, 71819580), (2, 35909790), (3, 23939860), (4, 17954895), (5, 14363916), (6, 11969930), (7, 10259940), (10, 7181958), (12, 5984965), (14, 5129970), (15, 4787972), (20, 3590979), (21, 3419980), (28, 2564985), (30, 2393986), (35, 2051988), (42, 1709990), (60, 1196993), (70, 1025994), (84, 854995), (105, 683996), (140, 512997), (210, 341998), (307, 233940), (420, 170999), (557, 128940), (614, 116970), (921, 77980), (1114, 64470), (1228, 58485), (1535, 46788), (1671, 42980), (1842, 38990), (2149, 33420), (2228, 32235), (2785, 25788), (3070, 23394), (3342, 21490), (3684, 19495), (3899, 18420), (4298, 16710), (4605, 15596), (5570, 12894), (6140, 11697), (6447, 11140), (6684, 10745), (7798, 9210), (8355, 8596)]