71220990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1913}}^1$

素因数の和:2013

約数の個数: 64

約数和(自身を含む): 183560256

約数和(自身を除く): 112339266

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 73, 85, 102, 146, 170, 219, 255, 365, 438, 510, 730, 1095, 1241, 1913, 2190, 2482, 3723, 3826, 5739, 6205, 7446, 9565, 11478, 12410, 18615, 19130, 28695, 32521, 37230, 57390, 65042, 97563, 139649, 162605, 195126, 279298, 325210, 418947, 487815, 698245, 837894, 975630, 1396490, 2094735, 2374033, 4189470, 4748066, 7122099, 11870165, 14244198, 23740330, 35610495, 71220990]

約数ペア:

[(1, 71220990), (2, 35610495), (3, 23740330), (5, 14244198), (6, 11870165), (10, 7122099), (15, 4748066), (17, 4189470), (30, 2374033), (34, 2094735), (51, 1396490), (73, 975630), (85, 837894), (102, 698245), (146, 487815), (170, 418947), (219, 325210), (255, 279298), (365, 195126), (438, 162605), (510, 139649), (730, 97563), (1095, 65042), (1241, 57390), (1913, 37230), (2190, 32521), (2482, 28695), (3723, 19130), (3826, 18615), (5739, 12410), (6205, 11478), (7446, 9565)]