81406752

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{229}}^1$

素因数の和:295

約数の個数: 144

約数和(自身を含む): 256415040

約数和(自身を除く): 175008288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 56, 69, 84, 92, 96, 112, 138, 161, 168, 184, 224, 229, 276, 322, 336, 368, 458, 483, 529, 552, 644, 672, 687, 736, 916, 966, 1058, 1104, 1288, 1374, 1587, 1603, 1832, 1932, 2116, 2208, 2576, 2748, 3174, 3206, 3664, 3703, 3864, 4232, 4809, 5152, 5267, 5496, 6348, 6412, 7328, 7406, 7728, 8464, 9618, 10534, 10992, 11109, 12696, 12824, 14812, 15456, 15801, 16928, 19236, 21068, 21984, 22218, 25392, 25648, 29624, 31602, 36869, 38472, 42136, 44436, 50784, 51296, 59248, 63204, 73738, 76944, 84272, 88872, 110607, 118496, 121141, 126408, 147476, 153888, 168544, 177744, 221214, 242282, 252816, 294952, 355488, 363423, 442428, 484564, 505632, 589904, 726846, 847987, 884856, 969128, 1179808, 1453692, 1695974, 1769712, 1938256, 2543961, 2907384, 3391948, 3539424, 3876512, 5087922, 5814768, 6783896, 10175844, 11629536, 13567792, 20351688, 27135584, 40703376, 81406752]

約数ペア:

[(1, 81406752), (2, 40703376), (3, 27135584), (4, 20351688), (6, 13567792), (7, 11629536), (8, 10175844), (12, 6783896), (14, 5814768), (16, 5087922), (21, 3876512), (23, 3539424), (24, 3391948), (28, 2907384), (32, 2543961), (42, 1938256), (46, 1769712), (48, 1695974), (56, 1453692), (69, 1179808), (84, 969128), (92, 884856), (96, 847987), (112, 726846), (138, 589904), (161, 505632), (168, 484564), (184, 442428), (224, 363423), (229, 355488), (276, 294952), (322, 252816), (336, 242282), (368, 221214), (458, 177744), (483, 168544), (529, 153888), (552, 147476), (644, 126408), (672, 121141), (687, 118496), (736, 110607), (916, 88872), (966, 84272), (1058, 76944), (1104, 73738), (1288, 63204), (1374, 59248), (1587, 51296), (1603, 50784), (1832, 44436), (1932, 42136), (2116, 38472), (2208, 36869), (2576, 31602), (2748, 29624), (3174, 25648), (3206, 25392), (3664, 22218), (3703, 21984), (3864, 21068), (4232, 19236), (4809, 16928), (5152, 15801), (5267, 15456), (5496, 14812), (6348, 12824), (6412, 12696), (7328, 11109), (7406, 10992), (7728, 10534), (8464, 9618)]