219921840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1087}}^1$

素因数の和:1387

約数の個数: 120

約数和(自身を含む): 741881088

約数和(自身を除く): 521959248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 281, 360, 562, 720, 843, 1087, 1124, 1405, 1686, 2174, 2248, 2529, 2810, 3261, 3372, 4215, 4348, 4496, 5058, 5435, 5620, 6522, 6744, 8430, 8696, 9783, 10116, 10870, 11240, 12645, 13044, 13488, 16305, 16860, 17392, 19566, 20232, 21740, 22480, 25290, 26088, 32610, 33720, 39132, 40464, 43480, 48915, 50580, 52176, 65220, 67440, 78264, 86960, 97830, 101160, 130440, 156528, 195660, 202320, 260880, 305447, 391320, 610894, 782640, 916341, 1221788, 1527235, 1832682, 2443576, 2749023, 3054470, 3665364, 4581705, 4887152, 5498046, 6108940, 7330728, 9163410, 10996092, 12217880, 13745115, 14661456, 18326820, 21992184, 24435760, 27490230, 36653640, 43984368, 54980460, 73307280, 109960920, 219921840]

約数ペア:

[(1, 219921840), (2, 109960920), (3, 73307280), (4, 54980460), (5, 43984368), (6, 36653640), (8, 27490230), (9, 24435760), (10, 21992184), (12, 18326820), (15, 14661456), (16, 13745115), (18, 12217880), (20, 10996092), (24, 9163410), (30, 7330728), (36, 6108940), (40, 5498046), (45, 4887152), (48, 4581705), (60, 3665364), (72, 3054470), (80, 2749023), (90, 2443576), (120, 1832682), (144, 1527235), (180, 1221788), (240, 916341), (281, 782640), (360, 610894), (562, 391320), (720, 305447), (843, 260880), (1087, 202320), (1124, 195660), (1405, 156528), (1686, 130440), (2174, 101160), (2248, 97830), (2529, 86960), (2810, 78264), (3261, 67440), (3372, 65220), (4215, 52176), (4348, 50580), (4496, 48915), (5058, 43480), (5435, 40464), (5620, 39132), (6522, 33720), (6744, 32610), (8430, 26088), (8696, 25290), (9783, 22480), (10116, 21740), (10870, 20232), (11240, 19566), (12645, 17392), (13044, 16860), (13488, 16305)]