15204035

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 25380864

約数和(自身を除く): 10176829

約数列:

[1, 5, 7, 11, 17, 23, 35, 55, 77, 85, 101, 115, 119, 161, 187, 253, 385, 391, 505, 595, 707, 805, 935, 1111, 1265, 1309, 1717, 1771, 1955, 2323, 2737, 3535, 4301, 5555, 6545, 7777, 8585, 8855, 11615, 12019, 13685, 16261, 18887, 21505, 25553, 30107, 38885, 39491, 60095, 81305, 94435, 127765, 132209, 150535, 178871, 197455, 276437, 434401, 661045, 894355, 1382185, 2172005, 3040807, 15204035]

約数ペア:

[(1, 15204035), (5, 3040807), (7, 2172005), (11, 1382185), (17, 894355), (23, 661045), (35, 434401), (55, 276437), (77, 197455), (85, 178871), (101, 150535), (115, 132209), (119, 127765), (161, 94435), (187, 81305), (253, 60095), (385, 39491), (391, 38885), (505, 30107), (595, 25553), (707, 21505), (805, 18887), (935, 16261), (1111, 13685), (1265, 12019), (1309, 11615), (1717, 8855), (1771, 8585), (1955, 7777), (2323, 6545), (2737, 5555), (3535, 4301)]