289908060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{839}}^1$

素因数の和:1307

約数の個数: 96

約数和(自身を含む): 877201920

約数和(自身を除く): 587293860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 443, 780, 839, 886, 1329, 1678, 1772, 2215, 2517, 2658, 3356, 4195, 4430, 5034, 5316, 5759, 6645, 8390, 8860, 10068, 10907, 11518, 12585, 13290, 16780, 17277, 21814, 23036, 25170, 26580, 28795, 32721, 34554, 43628, 50340, 54535, 57590, 65442, 69108, 86385, 109070, 115180, 130884, 163605, 172770, 218140, 327210, 345540, 371677, 654420, 743354, 1115031, 1486708, 1858385, 2230062, 3716770, 4460124, 4831801, 5575155, 7433540, 9663602, 11150310, 14495403, 19327204, 22300620, 24159005, 28990806, 48318010, 57981612, 72477015, 96636020, 144954030, 289908060]

約数ペア:

[(1, 289908060), (2, 144954030), (3, 96636020), (4, 72477015), (5, 57981612), (6, 48318010), (10, 28990806), (12, 24159005), (13, 22300620), (15, 19327204), (20, 14495403), (26, 11150310), (30, 9663602), (39, 7433540), (52, 5575155), (60, 4831801), (65, 4460124), (78, 3716770), (130, 2230062), (156, 1858385), (195, 1486708), (260, 1115031), (390, 743354), (443, 654420), (780, 371677), (839, 345540), (886, 327210), (1329, 218140), (1678, 172770), (1772, 163605), (2215, 130884), (2517, 115180), (2658, 109070), (3356, 86385), (4195, 69108), (4430, 65442), (5034, 57590), (5316, 54535), (5759, 50340), (6645, 43628), (8390, 34554), (8860, 32721), (10068, 28795), (10907, 26580), (11518, 25170), (12585, 23036), (13290, 21814), (16780, 17277)]