138031020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{255613}}^1$

素因数の和:255631

約数の個数: 48

約数和(自身を含む): 429431520

約数和(自身を除く): 291400500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 255613, 511226, 766839, 1022452, 1278065, 1533678, 2300517, 2556130, 3067356, 3834195, 4601034, 5112260, 6901551, 7668390, 9202068, 11502585, 13803102, 15336780, 23005170, 27606204, 34507755, 46010340, 69015510, 138031020]

約数ペア:

[(1, 138031020), (2, 69015510), (3, 46010340), (4, 34507755), (5, 27606204), (6, 23005170), (9, 15336780), (10, 13803102), (12, 11502585), (15, 9202068), (18, 7668390), (20, 6901551), (27, 5112260), (30, 4601034), (36, 3834195), (45, 3067356), (54, 2556130), (60, 2300517), (90, 1533678), (108, 1278065), (135, 1022452), (180, 766839), (270, 511226), (540, 255613)]