74944380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{178439}}^1$

素因数の和:178458

約数の個数: 48

約数和(自身を含む): 239823360

約数和(自身を除く): 164878980

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, 178439, 356878, 535317, 713756, 892195, 1070634, 1249073, 1784390, 2141268, 2498146, 2676585, 3568780, 3747219, 4996292, 5353170, 6245365, 7494438, 10706340, 12490730, 14988876, 18736095, 24981460, 37472190, 74944380]

約数ペア:

[(1, 74944380), (2, 37472190), (3, 24981460), (4, 18736095), (5, 14988876), (6, 12490730), (7, 10706340), (10, 7494438), (12, 6245365), (14, 5353170), (15, 4996292), (20, 3747219), (21, 3568780), (28, 2676585), (30, 2498146), (35, 2141268), (42, 1784390), (60, 1249073), (70, 1070634), (84, 892195), (105, 713756), (140, 535317), (210, 356878), (420, 178439)]