15697660840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{172199}}^1$

素因数の和:172306

約数の個数: 64

約数和(自身を含む): 36823248000

約数和(自身を除く): 21125587160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 860, 1060, 1720, 2120, 2279, 4558, 9116, 11395, 18232, 22790, 45580, 91160, 172199, 344398, 688796, 860995, 1377592, 1721990, 3443980, 6887960, 7404557, 9126547, 14809114, 18253094, 29618228, 36506188, 37022785, 45632735, 59236456, 73012376, 74045570, 91265470, 148091140, 182530940, 296182280, 365061880, 392441521, 784883042, 1569766084, 1962207605, 3139532168, 3924415210, 7848830420, 15697660840]

約数ペア:

[(1, 15697660840), (2, 7848830420), (4, 3924415210), (5, 3139532168), (8, 1962207605), (10, 1569766084), (20, 784883042), (40, 392441521), (43, 365061880), (53, 296182280), (86, 182530940), (106, 148091140), (172, 91265470), (212, 74045570), (215, 73012376), (265, 59236456), (344, 45632735), (424, 37022785), (430, 36506188), (530, 29618228), (860, 18253094), (1060, 14809114), (1720, 9126547), (2120, 7404557), (2279, 6887960), (4558, 3443980), (9116, 1721990), (11395, 1377592), (18232, 860995), (22790, 688796), (45580, 344398), (91160, 172199)]