30436980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{72469}}^1$

素因数の和:72488

約数の個数: 48

約数和(自身を含む): 97399680

約数和(自身を除く): 66962700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 72469, 144938, 217407, 289876, 362345, 434814, 507283, 724690, 869628, 1014566, 1087035, 1449380, 1521849, 2029132, 2174070, 2536415, 3043698, 4348140, 5072830, 6087396, 7609245, 10145660, 15218490, 30436980]

約数ペア:

[(1, 30436980), (2, 15218490), (3, 10145660), (4, 7609245), (5, 6087396), (6, 5072830), (7, 4348140), (10, 3043698), (12, 2536415), (14, 2174070), (15, 2029132), (20, 1521849), (21, 1449380), (28, 1087035), (30, 1014566), (35, 869628), (42, 724690), (60, 507283), (70, 434814), (84, 362345), (105, 289876), (140, 217407), (210, 144938), (420, 72469)]