81379872

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1151

約数の個数: 144

約数和(自身を含む): 271881792

約数和(自身を除く): 190501920

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 56, 63, 72, 74, 84, 96, 111, 112, 126, 144, 148, 168, 222, 224, 252, 259, 288, 296, 333, 336, 444, 504, 518, 592, 666, 672, 777, 888, 1008, 1036, 1091, 1184, 1332, 1554, 1776, 2016, 2072, 2182, 2331, 2664, 3108, 3273, 3552, 4144, 4364, 4662, 5328, 6216, 6546, 7637, 8288, 8728, 9324, 9819, 10656, 12432, 13092, 15274, 17456, 18648, 19638, 22911, 24864, 26184, 30548, 34912, 37296, 39276, 40367, 45822, 52368, 61096, 68733, 74592, 78552, 80734, 91644, 104736, 121101, 122192, 137466, 157104, 161468, 183288, 242202, 244384, 274932, 282569, 314208, 322936, 363303, 366576, 484404, 549864, 565138, 645872, 726606, 733152, 847707, 968808, 1099728, 1130276, 1291744, 1453212, 1695414, 1937616, 2199456, 2260552, 2543121, 2906424, 3390828, 3875232, 4521104, 5086242, 5812848, 6781656, 9042208, 10172484, 11625696, 13563312, 20344968, 27126624, 40689936, 81379872]

約数ペア:

[(1, 81379872), (2, 40689936), (3, 27126624), (4, 20344968), (6, 13563312), (7, 11625696), (8, 10172484), (9, 9042208), (12, 6781656), (14, 5812848), (16, 5086242), (18, 4521104), (21, 3875232), (24, 3390828), (28, 2906424), (32, 2543121), (36, 2260552), (37, 2199456), (42, 1937616), (48, 1695414), (56, 1453212), (63, 1291744), (72, 1130276), (74, 1099728), (84, 968808), (96, 847707), (111, 733152), (112, 726606), (126, 645872), (144, 565138), (148, 549864), (168, 484404), (222, 366576), (224, 363303), (252, 322936), (259, 314208), (288, 282569), (296, 274932), (333, 244384), (336, 242202), (444, 183288), (504, 161468), (518, 157104), (592, 137466), (666, 122192), (672, 121101), (777, 104736), (888, 91644), (1008, 80734), (1036, 78552), (1091, 74592), (1184, 68733), (1332, 61096), (1554, 52368), (1776, 45822), (2016, 40367), (2072, 39276), (2182, 37296), (2331, 34912), (2664, 30548), (3108, 26184), (3273, 24864), (3552, 22911), (4144, 19638), (4364, 18648), (4662, 17456), (5328, 15274), (6216, 13092), (6546, 12432), (7637, 10656), (8288, 9819), (8728, 9324)]