220123278

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2017}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 511441920

約数和(自身を除く): 291318642

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 47, 54, 86, 94, 129, 141, 258, 282, 387, 423, 774, 846, 1161, 1269, 2017, 2021, 2322, 2538, 4034, 4042, 6051, 6063, 12102, 12126, 18153, 18189, 36306, 36378, 54459, 54567, 86731, 94799, 108918, 109134, 173462, 189598, 260193, 284397, 520386, 568794, 780579, 853191, 1561158, 1706382, 2341737, 2559573, 4076357, 4683474, 5119146, 8152714, 12229071, 24458142, 36687213, 73374426, 110061639, 220123278]

約数ペア:

[(1, 220123278), (2, 110061639), (3, 73374426), (6, 36687213), (9, 24458142), (18, 12229071), (27, 8152714), (43, 5119146), (47, 4683474), (54, 4076357), (86, 2559573), (94, 2341737), (129, 1706382), (141, 1561158), (258, 853191), (282, 780579), (387, 568794), (423, 520386), (774, 284397), (846, 260193), (1161, 189598), (1269, 173462), (2017, 109134), (2021, 108918), (2322, 94799), (2538, 86731), (4034, 54567), (4042, 54459), (6051, 36378), (6063, 36306), (12102, 18189), (12126, 18153)]