161940960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{112459}}^1$

素因数の和:112480

約数の個数: 72

約数和(自身を含む): 552628440

約数和(自身を除く): 390687480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 112459, 224918, 337377, 449836, 562295, 674754, 899672, 1012131, 1124590, 1349508, 1686885, 1799344, 2024262, 2249180, 2699016, 3373770, 3598688, 4048524, 4498360, 5060655, 5398032, 6747540, 8097048, 8996720, 10121310, 10796064, 13495080, 16194096, 17993440, 20242620, 26990160, 32388192, 40485240, 53980320, 80970480, 161940960]

約数ペア:

[(1, 161940960), (2, 80970480), (3, 53980320), (4, 40485240), (5, 32388192), (6, 26990160), (8, 20242620), (9, 17993440), (10, 16194096), (12, 13495080), (15, 10796064), (16, 10121310), (18, 8996720), (20, 8097048), (24, 6747540), (30, 5398032), (32, 5060655), (36, 4498360), (40, 4048524), (45, 3598688), (48, 3373770), (60, 2699016), (72, 2249180), (80, 2024262), (90, 1799344), (96, 1686885), (120, 1349508), (144, 1124590), (160, 1012131), (180, 899672), (240, 674754), (288, 562295), (360, 449836), (480, 337377), (720, 224918), (1440, 112459)]