261330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:322

約数の個数: 32

約数和(自身を含む): 649728

約数和(自身を除く): 388398

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 281, 310, 465, 562, 843, 930, 1405, 1686, 2810, 4215, 8430, 8711, 17422, 26133, 43555, 52266, 87110, 130665, 261330]

約数ペア:

[(1, 261330), (2, 130665), (3, 87110), (5, 52266), (6, 43555), (10, 26133), (15, 17422), (30, 8711), (31, 8430), (62, 4215), (93, 2810), (155, 1686), (186, 1405), (281, 930), (310, 843), (465, 562)]