64507870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 140175360

約数和(自身を除く): 75667490

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 103, 115, 161, 206, 230, 322, 389, 515, 721, 778, 805, 1030, 1442, 1610, 1945, 2369, 2723, 3605, 3890, 4738, 5446, 7210, 8947, 11845, 13615, 16583, 17894, 23690, 27230, 33166, 40067, 44735, 62629, 80134, 82915, 89470, 125258, 165830, 200335, 280469, 313145, 400670, 560938, 626290, 921541, 1402345, 1843082, 2804690, 4607705, 6450787, 9215410, 12901574, 32253935, 64507870]

約数ペア:

[(1, 64507870), (2, 32253935), (5, 12901574), (7, 9215410), (10, 6450787), (14, 4607705), (23, 2804690), (35, 1843082), (46, 1402345), (70, 921541), (103, 626290), (115, 560938), (161, 400670), (206, 313145), (230, 280469), (322, 200335), (389, 165830), (515, 125258), (721, 89470), (778, 82915), (805, 80134), (1030, 62629), (1442, 44735), (1610, 40067), (1945, 33166), (2369, 27230), (2723, 23690), (3605, 17894), (3890, 16583), (4738, 13615), (5446, 11845), (7210, 8947)]