255211920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{354461}}^1$

素因数の和:354480

約数の個数: 60

約数和(自身を含む): 857089116

約数和(自身を除く): 601877196

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, 354461, 708922, 1063383, 1417844, 1772305, 2126766, 2835688, 3190149, 3544610, 4253532, 5316915, 5671376, 6380298, 7089220, 8507064, 10633830, 12760596, 14178440, 15950745, 17014128, 21267660, 25521192, 28356880, 31901490, 42535320, 51042384, 63802980, 85070640, 127605960, 255211920]

約数ペア:

[(1, 255211920), (2, 127605960), (3, 85070640), (4, 63802980), (5, 51042384), (6, 42535320), (8, 31901490), (9, 28356880), (10, 25521192), (12, 21267660), (15, 17014128), (16, 15950745), (18, 14178440), (20, 12760596), (24, 10633830), (30, 8507064), (36, 7089220), (40, 6380298), (45, 5671376), (48, 5316915), (60, 4253532), (72, 3544610), (80, 3190149), (90, 2835688), (120, 2126766), (144, 1772305), (180, 1417844), (240, 1063383), (360, 708922), (720, 354461)]