30576980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{761}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 76617576

約数和(自身を除く): 46040596

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, 761, 820, 980, 1148, 1435, 1522, 2009, 2870, 3044, 3805, 4018, 5327, 5740, 7610, 8036, 10045, 10654, 15220, 20090, 21308, 26635, 31201, 37289, 40180, 53270, 62402, 74578, 106540, 124804, 149156, 156005, 186445, 218407, 312010, 372890, 436814, 624020, 745780, 873628, 1092035, 1528849, 2184070, 3057698, 4368140, 6115396, 7644245, 15288490, 30576980]

約数ペア:

[(1, 30576980), (2, 15288490), (4, 7644245), (5, 6115396), (7, 4368140), (10, 3057698), (14, 2184070), (20, 1528849), (28, 1092035), (35, 873628), (41, 745780), (49, 624020), (70, 436814), (82, 372890), (98, 312010), (140, 218407), (164, 186445), (196, 156005), (205, 149156), (245, 124804), (287, 106540), (410, 74578), (490, 62402), (574, 53270), (761, 40180), (820, 37289), (980, 31201), (1148, 26635), (1435, 21308), (1522, 20090), (2009, 15220), (2870, 10654), (3044, 10045), (3805, 8036), (4018, 7610), (5327, 5740)]