28685340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17707}}^1$

素因数の和:17728

約数の個数: 60

約数和(自身を含む): 89992056

約数和(自身を除く): 61306716

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 17707, 35414, 53121, 70828, 88535, 106242, 159363, 177070, 212484, 265605, 318726, 354140, 478089, 531210, 637452, 796815, 956178, 1062420, 1434267, 1593630, 1912356, 2390445, 2868534, 3187260, 4780890, 5737068, 7171335, 9561780, 14342670, 28685340]

約数ペア:

[(1, 28685340), (2, 14342670), (3, 9561780), (4, 7171335), (5, 5737068), (6, 4780890), (9, 3187260), (10, 2868534), (12, 2390445), (15, 1912356), (18, 1593630), (20, 1434267), (27, 1062420), (30, 956178), (36, 796815), (45, 637452), (54, 531210), (60, 478089), (81, 354140), (90, 318726), (108, 265605), (135, 212484), (162, 177070), (180, 159363), (270, 106242), (324, 88535), (405, 70828), (540, 53121), (810, 35414), (1620, 17707)]