81456240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9173}}^1$

素因数の和:9226

約数の個数: 80

約数和(自身を含む): 259367328

約数和(自身を除く): 177911088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 4440, 8880, 9173, 18346, 27519, 36692, 45865, 55038, 73384, 91730, 110076, 137595, 146768, 183460, 220152, 275190, 339401, 366920, 440304, 550380, 678802, 733840, 1018203, 1100760, 1357604, 1697005, 2036406, 2201520, 2715208, 3394010, 4072812, 5091015, 5430416, 6788020, 8145624, 10182030, 13576040, 16291248, 20364060, 27152080, 40728120, 81456240]

約数ペア:

[(1, 81456240), (2, 40728120), (3, 27152080), (4, 20364060), (5, 16291248), (6, 13576040), (8, 10182030), (10, 8145624), (12, 6788020), (15, 5430416), (16, 5091015), (20, 4072812), (24, 3394010), (30, 2715208), (37, 2201520), (40, 2036406), (48, 1697005), (60, 1357604), (74, 1100760), (80, 1018203), (111, 733840), (120, 678802), (148, 550380), (185, 440304), (222, 366920), (240, 339401), (296, 275190), (370, 220152), (444, 183460), (555, 146768), (592, 137595), (740, 110076), (888, 91730), (1110, 73384), (1480, 55038), (1776, 45865), (2220, 36692), (2960, 27519), (4440, 18346), (8880, 9173)]