320467992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23887}}^1$

素因数の和:23952

約数の個数: 64

約数和(自身を含む): 882900480

約数和(自身を除く): 562432488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 3354, 4472, 6708, 13416, 23887, 47774, 71661, 95548, 143322, 191096, 286644, 310531, 573288, 621062, 931593, 1027141, 1242124, 1863186, 2054282, 2484248, 3081423, 3726372, 4108564, 6162846, 7452744, 8217128, 12325692, 13352833, 24651384, 26705666, 40058499, 53411332, 80116998, 106822664, 160233996, 320467992]

約数ペア:

[(1, 320467992), (2, 160233996), (3, 106822664), (4, 80116998), (6, 53411332), (8, 40058499), (12, 26705666), (13, 24651384), (24, 13352833), (26, 12325692), (39, 8217128), (43, 7452744), (52, 6162846), (78, 4108564), (86, 3726372), (104, 3081423), (129, 2484248), (156, 2054282), (172, 1863186), (258, 1242124), (312, 1027141), (344, 931593), (516, 621062), (559, 573288), (1032, 310531), (1118, 286644), (1677, 191096), (2236, 143322), (3354, 95548), (4472, 71661), (6708, 47774), (13416, 23887)]