31465440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21851}}^1$

素因数の和:21872

約数の個数: 72

約数和(自身を含む): 107380728

約数和(自身を除く): 75915288

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, 21851, 43702, 65553, 87404, 109255, 131106, 174808, 196659, 218510, 262212, 327765, 349616, 393318, 437020, 524424, 655530, 699232, 786636, 874040, 983295, 1048848, 1311060, 1573272, 1748080, 1966590, 2097696, 2622120, 3146544, 3496160, 3933180, 5244240, 6293088, 7866360, 10488480, 15732720, 31465440]

約数ペア:

[(1, 31465440), (2, 15732720), (3, 10488480), (4, 7866360), (5, 6293088), (6, 5244240), (8, 3933180), (9, 3496160), (10, 3146544), (12, 2622120), (15, 2097696), (16, 1966590), (18, 1748080), (20, 1573272), (24, 1311060), (30, 1048848), (32, 983295), (36, 874040), (40, 786636), (45, 699232), (48, 655530), (60, 524424), (72, 437020), (80, 393318), (90, 349616), (96, 327765), (120, 262212), (144, 218510), (160, 196659), (180, 174808), (240, 131106), (288, 109255), (360, 87404), (480, 65553), (720, 43702), (1440, 21851)]