20179915440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2272513}}^1$

素因数の和:2272566

約数の個数: 80

約数和(自身を含む): 64248515808

約数和(自身を除く): 44068600368

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, 2272513, 4545026, 6817539, 9090052, 11362565, 13635078, 18180104, 22725130, 27270156, 34087695, 36360208, 45450260, 54540312, 68175390, 84082981, 90900520, 109080624, 136350780, 168165962, 181801040, 252248943, 272701560, 336331924, 420414905, 504497886, 545403120, 672663848, 840829810, 1008995772, 1261244715, 1345327696, 1681659620, 2017991544, 2522489430, 3363319240, 4035983088, 5044978860, 6726638480, 10089957720, 20179915440]

約数ペア:

[(1, 20179915440), (2, 10089957720), (3, 6726638480), (4, 5044978860), (5, 4035983088), (6, 3363319240), (8, 2522489430), (10, 2017991544), (12, 1681659620), (15, 1345327696), (16, 1261244715), (20, 1008995772), (24, 840829810), (30, 672663848), (37, 545403120), (40, 504497886), (48, 420414905), (60, 336331924), (74, 272701560), (80, 252248943), (111, 181801040), (120, 168165962), (148, 136350780), (185, 109080624), (222, 90900520), (240, 84082981), (296, 68175390), (370, 54540312), (444, 45450260), (555, 36360208), (592, 34087695), (740, 27270156), (888, 22725130), (1110, 18180104), (1480, 13635078), (1776, 11362565), (2220, 9090052), (2960, 6817539), (4440, 4545026), (8880, 2272513)]