72887080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1597}}^1$

素因数の和:1778

約数の個数: 64

約数和(自身を含む): 188691840

約数和(自身を除く): 115804760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 652, 815, 1141, 1304, 1597, 1630, 2282, 3194, 3260, 4564, 5705, 6388, 6520, 7985, 9128, 11179, 11410, 12776, 15970, 22358, 22820, 31940, 44716, 45640, 55895, 63880, 89432, 111790, 223580, 260311, 447160, 520622, 1041244, 1301555, 1822177, 2082488, 2603110, 3644354, 5206220, 7288708, 9110885, 10412440, 14577416, 18221770, 36443540, 72887080]

約数ペア:

[(1, 72887080), (2, 36443540), (4, 18221770), (5, 14577416), (7, 10412440), (8, 9110885), (10, 7288708), (14, 5206220), (20, 3644354), (28, 2603110), (35, 2082488), (40, 1822177), (56, 1301555), (70, 1041244), (140, 520622), (163, 447160), (280, 260311), (326, 223580), (652, 111790), (815, 89432), (1141, 63880), (1304, 55895), (1597, 45640), (1630, 44716), (2282, 31940), (3194, 22820), (3260, 22358), (4564, 15970), (5705, 12776), (6388, 11410), (6520, 11179), (7985, 9128)]