15249990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:837

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 27051450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 101, 105, 202, 210, 303, 505, 606, 707, 719, 1010, 1414, 1438, 1515, 2121, 2157, 3030, 3535, 3595, 4242, 4314, 5033, 7070, 7190, 10066, 10605, 10785, 15099, 21210, 21570, 25165, 30198, 50330, 72619, 75495, 145238, 150990, 217857, 363095, 435714, 508333, 726190, 1016666, 1089285, 1524999, 2178570, 2541665, 3049998, 5083330, 7624995, 15249990]

約数ペア:

[(1, 15249990), (2, 7624995), (3, 5083330), (5, 3049998), (6, 2541665), (7, 2178570), (10, 1524999), (14, 1089285), (15, 1016666), (21, 726190), (30, 508333), (35, 435714), (42, 363095), (70, 217857), (101, 150990), (105, 145238), (202, 75495), (210, 72619), (303, 50330), (505, 30198), (606, 25165), (707, 21570), (719, 21210), (1010, 15099), (1414, 10785), (1438, 10605), (1515, 10066), (2121, 7190), (2157, 7070), (3030, 5033), (3535, 4314), (3595, 4242)]