90156420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{13537}}^1$

素因数の和:13589

約数の個数: 72

約数和(自身を含む): 280886424

約数和(自身を除く): 190730004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 13537, 27074, 40611, 54148, 67685, 81222, 121833, 135370, 162444, 203055, 243666, 270740, 406110, 487332, 500869, 609165, 812220, 1001738, 1218330, 1502607, 2003476, 2436660, 2504345, 3005214, 4507821, 5008690, 6010428, 7513035, 9015642, 10017380, 15026070, 18031284, 22539105, 30052140, 45078210, 90156420]

約数ペア:

[(1, 90156420), (2, 45078210), (3, 30052140), (4, 22539105), (5, 18031284), (6, 15026070), (9, 10017380), (10, 9015642), (12, 7513035), (15, 6010428), (18, 5008690), (20, 4507821), (30, 3005214), (36, 2504345), (37, 2436660), (45, 2003476), (60, 1502607), (74, 1218330), (90, 1001738), (111, 812220), (148, 609165), (180, 500869), (185, 487332), (222, 406110), (333, 270740), (370, 243666), (444, 203055), (555, 162444), (666, 135370), (740, 121833), (1110, 81222), (1332, 67685), (1665, 54148), (2220, 40611), (3330, 27074), (6660, 13537)]