81936036

素因数分解:

$2^2\times 3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 180

約数和(自身を含む): 269010588

約数和(自身を除く): 187074552

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 81, 84, 91, 98, 108, 117, 126, 147, 156, 162, 182, 189, 196, 234, 252, 273, 294, 324, 351, 364, 378, 397, 441, 468, 546, 567, 588, 637, 702, 756, 794, 819, 882, 1053, 1092, 1134, 1191, 1274, 1323, 1404, 1588, 1638, 1764, 1911, 2106, 2268, 2382, 2457, 2548, 2646, 2779, 3276, 3573, 3822, 3969, 4212, 4764, 4914, 5161, 5292, 5558, 5733, 7146, 7371, 7644, 7938, 8337, 9828, 10322, 10719, 11116, 11466, 14292, 14742, 15483, 15876, 16674, 17199, 19453, 20644, 21438, 22932, 25011, 29484, 30966, 32157, 33348, 34398, 36127, 38906, 42876, 46449, 50022, 51597, 58359, 61932, 64314, 68796, 72254, 75033, 77812, 92898, 100044, 103194, 108381, 116718, 128628, 139347, 144508, 150066, 175077, 185796, 206388, 216762, 225099, 233436, 252889, 278694, 300132, 325143, 350154, 418041, 433524, 450198, 505778, 525231, 557388, 650286, 700308, 758667, 836082, 900396, 975429, 1011556, 1050462, 1300572, 1517334, 1575693, 1672164, 1950858, 2100924, 2276001, 2926287, 3034668, 3151386, 3901716, 4552002, 5852574, 6302772, 6828003, 9104004, 11705148, 13656006, 20484009, 27312012, 40968018, 81936036]

約数ペア:

[(1, 81936036), (2, 40968018), (3, 27312012), (4, 20484009), (6, 13656006), (7, 11705148), (9, 9104004), (12, 6828003), (13, 6302772), (14, 5852574), (18, 4552002), (21, 3901716), (26, 3151386), (27, 3034668), (28, 2926287), (36, 2276001), (39, 2100924), (42, 1950858), (49, 1672164), (52, 1575693), (54, 1517334), (63, 1300572), (78, 1050462), (81, 1011556), (84, 975429), (91, 900396), (98, 836082), (108, 758667), (117, 700308), (126, 650286), (147, 557388), (156, 525231), (162, 505778), (182, 450198), (189, 433524), (196, 418041), (234, 350154), (252, 325143), (273, 300132), (294, 278694), (324, 252889), (351, 233436), (364, 225099), (378, 216762), (397, 206388), (441, 185796), (468, 175077), (546, 150066), (567, 144508), (588, 139347), (637, 128628), (702, 116718), (756, 108381), (794, 103194), (819, 100044), (882, 92898), (1053, 77812), (1092, 75033), (1134, 72254), (1191, 68796), (1274, 64314), (1323, 61932), (1404, 58359), (1588, 51597), (1638, 50022), (1764, 46449), (1911, 42876), (2106, 38906), (2268, 36127), (2382, 34398), (2457, 33348), (2548, 32157), (2646, 30966), (2779, 29484), (3276, 25011), (3573, 22932), (3822, 21438), (3969, 20644), (4212, 19453), (4764, 17199), (4914, 16674), (5161, 15876), (5292, 15483), (5558, 14742), (5733, 14292), (7146, 11466), (7371, 11116), (7644, 10719), (7938, 10322), (8337, 9828)]