64801005

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 114573312

約数和(自身を除く): 49772307

約数列:

[1, 3, 5, 15, 23, 31, 69, 73, 83, 93, 115, 155, 219, 249, 345, 365, 415, 465, 713, 1095, 1245, 1679, 1909, 2139, 2263, 2573, 3565, 5037, 5727, 6059, 6789, 7719, 8395, 9545, 10695, 11315, 12865, 18177, 25185, 28635, 30295, 33945, 38595, 52049, 59179, 90885, 139357, 156147, 177537, 187829, 260245, 295895, 418071, 563487, 696785, 780735, 887685, 939145, 2090355, 2817435, 4320067, 12960201, 21600335, 64801005]

約数ペア:

[(1, 64801005), (3, 21600335), (5, 12960201), (15, 4320067), (23, 2817435), (31, 2090355), (69, 939145), (73, 887685), (83, 780735), (93, 696785), (115, 563487), (155, 418071), (219, 295895), (249, 260245), (345, 187829), (365, 177537), (415, 156147), (465, 139357), (713, 90885), (1095, 59179), (1245, 52049), (1679, 38595), (1909, 33945), (2139, 30295), (2263, 28635), (2573, 25185), (3565, 18177), (5037, 12865), (5727, 11315), (6059, 10695), (6789, 9545), (7719, 8395)]