291211920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{404461}}^1$

素因数の和:404480

約数の個数: 60

約数和(自身を含む): 977989116

約数和(自身を除く): 686777196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 404461, 808922, 1213383, 1617844, 2022305, 2426766, 3235688, 3640149, 4044610, 4853532, 6066915, 6471376, 7280298, 8089220, 9707064, 12133830, 14560596, 16178440, 18200745, 19414128, 24267660, 29121192, 32356880, 36401490, 48535320, 58242384, 72802980, 97070640, 145605960, 291211920]

約数ペア:

[(1, 291211920), (2, 145605960), (3, 97070640), (4, 72802980), (5, 58242384), (6, 48535320), (8, 36401490), (9, 32356880), (10, 29121192), (12, 24267660), (15, 19414128), (16, 18200745), (18, 16178440), (20, 14560596), (24, 12133830), (30, 9707064), (36, 8089220), (40, 7280298), (45, 6471376), (48, 6066915), (60, 4853532), (72, 4044610), (80, 3640149), (90, 3235688), (120, 2426766), (144, 2022305), (180, 1617844), (240, 1213383), (360, 808922), (720, 404461)]