261615456

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{24551}}^1$

素因数の和:24604

約数の個数: 72

約数和(自身を含む): 764107344

約数和(自身を除く): 502491888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 96, 111, 144, 148, 222, 288, 296, 333, 444, 592, 666, 888, 1184, 1332, 1776, 2664, 3552, 5328, 10656, 24551, 49102, 73653, 98204, 147306, 196408, 220959, 294612, 392816, 441918, 589224, 785632, 883836, 908387, 1178448, 1767672, 1816774, 2356896, 2725161, 3535344, 3633548, 5450322, 7070688, 7267096, 8175483, 10900644, 14534192, 16350966, 21801288, 29068384, 32701932, 43602576, 65403864, 87205152, 130807728, 261615456]

約数ペア:

[(1, 261615456), (2, 130807728), (3, 87205152), (4, 65403864), (6, 43602576), (8, 32701932), (9, 29068384), (12, 21801288), (16, 16350966), (18, 14534192), (24, 10900644), (32, 8175483), (36, 7267096), (37, 7070688), (48, 5450322), (72, 3633548), (74, 3535344), (96, 2725161), (111, 2356896), (144, 1816774), (148, 1767672), (222, 1178448), (288, 908387), (296, 883836), (333, 785632), (444, 589224), (592, 441918), (666, 392816), (888, 294612), (1184, 220959), (1332, 196408), (1776, 147306), (2664, 98204), (3552, 73653), (5328, 49102), (10656, 24551)]