20148720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2269}}^1$

素因数の和:2322

約数の個数: 80

約数和(自身を含む): 64177440

約数和(自身を除く): 44028720

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, 2269, 2960, 4440, 4538, 6807, 8880, 9076, 11345, 13614, 18152, 22690, 27228, 34035, 36304, 45380, 54456, 68070, 83953, 90760, 108912, 136140, 167906, 181520, 251859, 272280, 335812, 419765, 503718, 544560, 671624, 839530, 1007436, 1259295, 1343248, 1679060, 2014872, 2518590, 3358120, 4029744, 5037180, 6716240, 10074360, 20148720]

約数ペア:

[(1, 20148720), (2, 10074360), (3, 6716240), (4, 5037180), (5, 4029744), (6, 3358120), (8, 2518590), (10, 2014872), (12, 1679060), (15, 1343248), (16, 1259295), (20, 1007436), (24, 839530), (30, 671624), (37, 544560), (40, 503718), (48, 419765), (60, 335812), (74, 272280), (80, 251859), (111, 181520), (120, 167906), (148, 136140), (185, 108912), (222, 90760), (240, 83953), (296, 68070), (370, 54456), (444, 45380), (555, 36304), (592, 34035), (740, 27228), (888, 22690), (1110, 18152), (1480, 13614), (1776, 11345), (2220, 9076), (2269, 8880), (2960, 6807), (4440, 4538)]