220151745

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 442900224

約数和(自身を除く): 222748479

約数列:

[1, 3, 5, 9, 11, 15, 23, 33, 45, 55, 61, 69, 99, 115, 165, 183, 207, 253, 305, 317, 345, 495, 549, 671, 759, 915, 951, 1035, 1265, 1403, 1585, 2013, 2277, 2745, 2853, 3355, 3487, 3795, 4209, 4755, 6039, 7015, 7291, 10065, 10461, 11385, 12627, 14265, 15433, 17435, 19337, 21045, 21873, 30195, 31383, 36455, 46299, 52305, 58011, 63135, 65619, 77165, 80201, 96685, 109365, 138897, 156915, 174033, 212707, 231495, 240603, 290055, 328095, 401005, 444751, 638121, 694485, 721809, 870165, 1063535, 1203015, 1334253, 1914363, 2223755, 3190605, 3609045, 4002759, 4892261, 6671265, 9571815, 14676783, 20013795, 24461305, 44030349, 73383915, 220151745]

約数ペア:

[(1, 220151745), (3, 73383915), (5, 44030349), (9, 24461305), (11, 20013795), (15, 14676783), (23, 9571815), (33, 6671265), (45, 4892261), (55, 4002759), (61, 3609045), (69, 3190605), (99, 2223755), (115, 1914363), (165, 1334253), (183, 1203015), (207, 1063535), (253, 870165), (305, 721809), (317, 694485), (345, 638121), (495, 444751), (549, 401005), (671, 328095), (759, 290055), (915, 240603), (951, 231495), (1035, 212707), (1265, 174033), (1403, 156915), (1585, 138897), (2013, 109365), (2277, 96685), (2745, 80201), (2853, 77165), (3355, 65619), (3487, 63135), (3795, 58011), (4209, 52305), (4755, 46299), (6039, 36455), (7015, 31383), (7291, 30195), (10065, 21873), (10461, 21045), (11385, 19337), (12627, 17435), (14265, 15433)]