1905180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 5400864

約数和(自身を除く): 3495684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 113, 226, 281, 339, 452, 562, 565, 678, 843, 1124, 1130, 1356, 1405, 1686, 1695, 2260, 2810, 3372, 3390, 4215, 5620, 6780, 8430, 16860, 31753, 63506, 95259, 127012, 158765, 190518, 317530, 381036, 476295, 635060, 952590, 1905180]

約数ペア:

[(1, 1905180), (2, 952590), (3, 635060), (4, 476295), (5, 381036), (6, 317530), (10, 190518), (12, 158765), (15, 127012), (20, 95259), (30, 63506), (60, 31753), (113, 16860), (226, 8430), (281, 6780), (339, 5620), (452, 4215), (562, 3390), (565, 3372), (678, 2810), (843, 2260), (1124, 1695), (1130, 1686), (1356, 1405)]