40868640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:403

約数の個数: 144

約数和(自身を含む): 141346296

約数和(自身を除く): 100477656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 101, 120, 144, 160, 180, 202, 240, 281, 288, 303, 360, 404, 480, 505, 562, 606, 720, 808, 843, 909, 1010, 1124, 1212, 1405, 1440, 1515, 1616, 1686, 1818, 2020, 2248, 2424, 2529, 2810, 3030, 3232, 3372, 3636, 4040, 4215, 4496, 4545, 4848, 5058, 5620, 6060, 6744, 7272, 8080, 8430, 8992, 9090, 9696, 10116, 11240, 12120, 12645, 13488, 14544, 16160, 16860, 18180, 20232, 22480, 24240, 25290, 26976, 28381, 29088, 33720, 36360, 40464, 44960, 48480, 50580, 56762, 67440, 72720, 80928, 85143, 101160, 113524, 134880, 141905, 145440, 170286, 202320, 227048, 255429, 283810, 340572, 404640, 425715, 454096, 510858, 567620, 681144, 851430, 908192, 1021716, 1135240, 1277145, 1362288, 1702860, 2043432, 2270480, 2554290, 2724576, 3405720, 4086864, 4540960, 5108580, 6811440, 8173728, 10217160, 13622880, 20434320, 40868640]

約数ペア:

[(1, 40868640), (2, 20434320), (3, 13622880), (4, 10217160), (5, 8173728), (6, 6811440), (8, 5108580), (9, 4540960), (10, 4086864), (12, 3405720), (15, 2724576), (16, 2554290), (18, 2270480), (20, 2043432), (24, 1702860), (30, 1362288), (32, 1277145), (36, 1135240), (40, 1021716), (45, 908192), (48, 851430), (60, 681144), (72, 567620), (80, 510858), (90, 454096), (96, 425715), (101, 404640), (120, 340572), (144, 283810), (160, 255429), (180, 227048), (202, 202320), (240, 170286), (281, 145440), (288, 141905), (303, 134880), (360, 113524), (404, 101160), (480, 85143), (505, 80928), (562, 72720), (606, 67440), (720, 56762), (808, 50580), (843, 48480), (909, 44960), (1010, 40464), (1124, 36360), (1212, 33720), (1405, 29088), (1440, 28381), (1515, 26976), (1616, 25290), (1686, 24240), (1818, 22480), (2020, 20232), (2248, 18180), (2424, 16860), (2529, 16160), (2810, 14544), (3030, 13488), (3232, 12645), (3372, 12120), (3636, 11240), (4040, 10116), (4215, 9696), (4496, 9090), (4545, 8992), (4848, 8430), (5058, 8080), (5620, 7272), (6060, 6744)]