1528940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 3747072

約数和(自身を除く): 2218132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 163, 268, 326, 335, 469, 652, 670, 815, 938, 1141, 1340, 1630, 1876, 2282, 2345, 3260, 4564, 4690, 5705, 9380, 10921, 11410, 21842, 22820, 43684, 54605, 76447, 109210, 152894, 218420, 305788, 382235, 764470, 1528940]

約数ペア:

[(1, 1528940), (2, 764470), (4, 382235), (5, 305788), (7, 218420), (10, 152894), (14, 109210), (20, 76447), (28, 54605), (35, 43684), (67, 22820), (70, 21842), (134, 11410), (140, 10921), (163, 9380), (268, 5705), (326, 4690), (335, 4564), (469, 3260), (652, 2345), (670, 2282), (815, 1876), (938, 1630), (1141, 1340)]