1820880

素因数分解:

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

素因数の和:306

約数の個数: 100

約数和(自身を含む): 6346692

約数和(自身を除く): 4525812

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 281, 324, 360, 405, 432, 540, 562, 648, 720, 810, 843, 1080, 1124, 1296, 1405, 1620, 1686, 2160, 2248, 2529, 2810, 3240, 3372, 4215, 4496, 5058, 5620, 6480, 6744, 7587, 8430, 10116, 11240, 12645, 13488, 15174, 16860, 20232, 22480, 22761, 25290, 30348, 33720, 37935, 40464, 45522, 50580, 60696, 67440, 75870, 91044, 101160, 113805, 121392, 151740, 182088, 202320, 227610, 303480, 364176, 455220, 606960, 910440, 1820880]

約数ペア:

[(1, 1820880), (2, 910440), (3, 606960), (4, 455220), (5, 364176), (6, 303480), (8, 227610), (9, 202320), (10, 182088), (12, 151740), (15, 121392), (16, 113805), (18, 101160), (20, 91044), (24, 75870), (27, 67440), (30, 60696), (36, 50580), (40, 45522), (45, 40464), (48, 37935), (54, 33720), (60, 30348), (72, 25290), (80, 22761), (81, 22480), (90, 20232), (108, 16860), (120, 15174), (135, 13488), (144, 12645), (162, 11240), (180, 10116), (216, 8430), (240, 7587), (270, 6744), (281, 6480), (324, 5620), (360, 5058), (405, 4496), (432, 4215), (540, 3372), (562, 3240), (648, 2810), (720, 2529), (810, 2248), (843, 2160), (1080, 1686), (1124, 1620), (1296, 1405)]