30175180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{751}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 75612096

約数和(自身を除く): 45436916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 751, 820, 980, 1148, 1435, 1502, 2009, 2870, 3004, 3755, 4018, 5257, 5740, 7510, 8036, 10045, 10514, 15020, 20090, 21028, 26285, 30791, 36799, 40180, 52570, 61582, 73598, 105140, 123164, 147196, 153955, 183995, 215537, 307910, 367990, 431074, 615820, 735980, 862148, 1077685, 1508759, 2155370, 3017518, 4310740, 6035036, 7543795, 15087590, 30175180]

約数ペア:

[(1, 30175180), (2, 15087590), (4, 7543795), (5, 6035036), (7, 4310740), (10, 3017518), (14, 2155370), (20, 1508759), (28, 1077685), (35, 862148), (41, 735980), (49, 615820), (70, 431074), (82, 367990), (98, 307910), (140, 215537), (164, 183995), (196, 153955), (205, 147196), (245, 123164), (287, 105140), (410, 73598), (490, 61582), (574, 52570), (751, 40180), (820, 36799), (980, 30791), (1148, 26285), (1435, 21028), (1502, 20090), (2009, 15020), (2870, 10514), (3004, 10045), (3755, 8036), (4018, 7510), (5257, 5740)]