320164485

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:818

約数の個数: 64

約数和(自身を含む): 573972480

約数和(自身を除く): 253807995

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 79, 85, 115, 237, 255, 345, 391, 395, 691, 1173, 1185, 1343, 1817, 1955, 2073, 3455, 4029, 5451, 5865, 6715, 9085, 10365, 11747, 15893, 20145, 27255, 30889, 35241, 47679, 54589, 58735, 79465, 92667, 154445, 163767, 176205, 238395, 270181, 272945, 463335, 810543, 818835, 928013, 1255547, 1350905, 2784039, 3766641, 4052715, 4640065, 6277735, 13920195, 18833205, 21344299, 64032897, 106721495, 320164485]

約数ペア:

[(1, 320164485), (3, 106721495), (5, 64032897), (15, 21344299), (17, 18833205), (23, 13920195), (51, 6277735), (69, 4640065), (79, 4052715), (85, 3766641), (115, 2784039), (237, 1350905), (255, 1255547), (345, 928013), (391, 818835), (395, 810543), (691, 463335), (1173, 272945), (1185, 270181), (1343, 238395), (1817, 176205), (1955, 163767), (2073, 154445), (3455, 92667), (4029, 79465), (5451, 58735), (5865, 54589), (6715, 47679), (9085, 35241), (10365, 30889), (11747, 27255), (15893, 20145)]