30499980

素因数分解:

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

素因数の和:839

約数の個数: 96

約数和(自身を含む): 98703360

約数和(自身を除く): 68203380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 101, 105, 140, 202, 210, 303, 404, 420, 505, 606, 707, 719, 1010, 1212, 1414, 1438, 1515, 2020, 2121, 2157, 2828, 2876, 3030, 3535, 3595, 4242, 4314, 5033, 6060, 7070, 7190, 8484, 8628, 10066, 10605, 10785, 14140, 14380, 15099, 20132, 21210, 21570, 25165, 30198, 42420, 43140, 50330, 60396, 72619, 75495, 100660, 145238, 150990, 217857, 290476, 301980, 363095, 435714, 508333, 726190, 871428, 1016666, 1089285, 1452380, 1524999, 2033332, 2178570, 2541665, 3049998, 4357140, 5083330, 6099996, 7624995, 10166660, 15249990, 30499980]

約数ペア:

[(1, 30499980), (2, 15249990), (3, 10166660), (4, 7624995), (5, 6099996), (6, 5083330), (7, 4357140), (10, 3049998), (12, 2541665), (14, 2178570), (15, 2033332), (20, 1524999), (21, 1452380), (28, 1089285), (30, 1016666), (35, 871428), (42, 726190), (60, 508333), (70, 435714), (84, 363095), (101, 301980), (105, 290476), (140, 217857), (202, 150990), (210, 145238), (303, 100660), (404, 75495), (420, 72619), (505, 60396), (606, 50330), (707, 43140), (719, 42420), (1010, 30198), (1212, 25165), (1414, 21570), (1438, 21210), (1515, 20132), (2020, 15099), (2121, 14380), (2157, 14140), (2828, 10785), (2876, 10605), (3030, 10066), (3535, 8628), (3595, 8484), (4242, 7190), (4314, 7070), (5033, 6060)]