81320316

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 260112384

約数和(自身を除く): 178792068

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 31, 33, 34, 42, 44, 51, 62, 66, 68, 77, 84, 93, 102, 119, 124, 132, 154, 167, 186, 187, 204, 217, 231, 238, 308, 334, 341, 357, 372, 374, 434, 462, 476, 501, 527, 561, 651, 668, 682, 714, 748, 868, 924, 1002, 1023, 1054, 1122, 1169, 1302, 1309, 1364, 1428, 1581, 1837, 2004, 2046, 2108, 2244, 2338, 2387, 2604, 2618, 2839, 3162, 3507, 3674, 3689, 3927, 4092, 4676, 4774, 5177, 5236, 5511, 5678, 5797, 6324, 7014, 7161, 7348, 7378, 7854, 8517, 9548, 10354, 11022, 11067, 11356, 11594, 12859, 14028, 14322, 14756, 15531, 15708, 17034, 17391, 19873, 20708, 22044, 22134, 23188, 25718, 28644, 31062, 31229, 34068, 34782, 36239, 38577, 39746, 40579, 44268, 51436, 56947, 59619, 62124, 62458, 69564, 72478, 77154, 79492, 81158, 88009, 93687, 108717, 113894, 119238, 121737, 124916, 144956, 154308, 162316, 170841, 176018, 187374, 217434, 218603, 227788, 238476, 243474, 264027, 341682, 352036, 374748, 398629, 434868, 437206, 486948, 528054, 616063, 655809, 683364, 797258, 874412, 968099, 1056108, 1195887, 1232126, 1311618, 1594516, 1848189, 1936198, 2391774, 2464252, 2623236, 2904297, 3696378, 3872396, 4783548, 5808594, 6776693, 7392756, 11617188, 13553386, 20330079, 27106772, 40660158, 81320316]

約数ペア:

[(1, 81320316), (2, 40660158), (3, 27106772), (4, 20330079), (6, 13553386), (7, 11617188), (11, 7392756), (12, 6776693), (14, 5808594), (17, 4783548), (21, 3872396), (22, 3696378), (28, 2904297), (31, 2623236), (33, 2464252), (34, 2391774), (42, 1936198), (44, 1848189), (51, 1594516), (62, 1311618), (66, 1232126), (68, 1195887), (77, 1056108), (84, 968099), (93, 874412), (102, 797258), (119, 683364), (124, 655809), (132, 616063), (154, 528054), (167, 486948), (186, 437206), (187, 434868), (204, 398629), (217, 374748), (231, 352036), (238, 341682), (308, 264027), (334, 243474), (341, 238476), (357, 227788), (372, 218603), (374, 217434), (434, 187374), (462, 176018), (476, 170841), (501, 162316), (527, 154308), (561, 144956), (651, 124916), (668, 121737), (682, 119238), (714, 113894), (748, 108717), (868, 93687), (924, 88009), (1002, 81158), (1023, 79492), (1054, 77154), (1122, 72478), (1169, 69564), (1302, 62458), (1309, 62124), (1364, 59619), (1428, 56947), (1581, 51436), (1837, 44268), (2004, 40579), (2046, 39746), (2108, 38577), (2244, 36239), (2338, 34782), (2387, 34068), (2604, 31229), (2618, 31062), (2839, 28644), (3162, 25718), (3507, 23188), (3674, 22134), (3689, 22044), (3927, 20708), (4092, 19873), (4676, 17391), (4774, 17034), (5177, 15708), (5236, 15531), (5511, 14756), (5678, 14322), (5797, 14028), (6324, 12859), (7014, 11594), (7161, 11356), (7348, 11067), (7378, 11022), (7854, 10354), (8517, 9548)]