15667120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 42193728

約数和(自身を除く): 26526608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 277, 280, 404, 505, 554, 560, 707, 808, 1010, 1108, 1385, 1414, 1616, 1939, 2020, 2216, 2770, 2828, 3535, 3878, 4040, 4432, 5540, 5656, 7070, 7756, 8080, 9695, 11080, 11312, 14140, 15512, 19390, 22160, 27977, 28280, 31024, 38780, 55954, 56560, 77560, 111908, 139885, 155120, 195839, 223816, 279770, 391678, 447632, 559540, 783356, 979195, 1119080, 1566712, 1958390, 2238160, 3133424, 3916780, 7833560, 15667120]

約数ペア:

[(1, 15667120), (2, 7833560), (4, 3916780), (5, 3133424), (7, 2238160), (8, 1958390), (10, 1566712), (14, 1119080), (16, 979195), (20, 783356), (28, 559540), (35, 447632), (40, 391678), (56, 279770), (70, 223816), (80, 195839), (101, 155120), (112, 139885), (140, 111908), (202, 77560), (277, 56560), (280, 55954), (404, 38780), (505, 31024), (554, 28280), (560, 27977), (707, 22160), (808, 19390), (1010, 15512), (1108, 14140), (1385, 11312), (1414, 11080), (1616, 9695), (1939, 8080), (2020, 7756), (2216, 7070), (2770, 5656), (2828, 5540), (3535, 4432), (3878, 4040)]