68657960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3359}}^1$

素因数の和:3450

約数の個数: 64

約数和(自身を含む): 179020800

約数和(自身を除く): 110362840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 1022, 1460, 2044, 2555, 2920, 3359, 4088, 5110, 6718, 10220, 13436, 16795, 20440, 23513, 26872, 33590, 47026, 67180, 94052, 117565, 134360, 188104, 235130, 245207, 470260, 490414, 940520, 980828, 1226035, 1716449, 1961656, 2452070, 3432898, 4904140, 6865796, 8582245, 9808280, 13731592, 17164490, 34328980, 68657960]

約数ペア:

[(1, 68657960), (2, 34328980), (4, 17164490), (5, 13731592), (7, 9808280), (8, 8582245), (10, 6865796), (14, 4904140), (20, 3432898), (28, 2452070), (35, 1961656), (40, 1716449), (56, 1226035), (70, 980828), (73, 940520), (140, 490414), (146, 470260), (280, 245207), (292, 235130), (365, 188104), (511, 134360), (584, 117565), (730, 94052), (1022, 67180), (1460, 47026), (2044, 33590), (2555, 26872), (2920, 23513), (3359, 20440), (4088, 16795), (5110, 13436), (6718, 10220)]