72159395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 116951040

約数和(自身を除く): 44791645

約数列:

[1, 5, 7, 11, 23, 29, 35, 55, 77, 115, 145, 161, 203, 253, 281, 319, 385, 667, 805, 1015, 1265, 1405, 1595, 1771, 1967, 2233, 3091, 3335, 4669, 6463, 7337, 8149, 8855, 9835, 11165, 15455, 21637, 23345, 32315, 36685, 40745, 45241, 51359, 57043, 71093, 89639, 108185, 187427, 226205, 256795, 285215, 355465, 448195, 497651, 627473, 937135, 1311989, 2061697, 2488255, 3137365, 6559945, 10308485, 14431879, 72159395]

約数ペア:

[(1, 72159395), (5, 14431879), (7, 10308485), (11, 6559945), (23, 3137365), (29, 2488255), (35, 2061697), (55, 1311989), (77, 937135), (115, 627473), (145, 497651), (161, 448195), (203, 355465), (253, 285215), (281, 256795), (319, 226205), (385, 187427), (667, 108185), (805, 89639), (1015, 71093), (1265, 57043), (1405, 51359), (1595, 45241), (1771, 40745), (1967, 36685), (2233, 32315), (3091, 23345), (3335, 21637), (4669, 15455), (6463, 11165), (7337, 9835), (8149, 8855)]