81744156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 243079200

約数和(自身を除く): 161335044

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 29, 36, 38, 39, 52, 57, 58, 76, 78, 87, 114, 116, 117, 156, 171, 174, 228, 234, 247, 261, 317, 342, 348, 377, 468, 494, 522, 551, 634, 684, 741, 754, 951, 988, 1044, 1102, 1131, 1268, 1482, 1508, 1653, 1902, 2204, 2223, 2262, 2853, 2964, 3306, 3393, 3804, 4121, 4446, 4524, 4959, 5706, 6023, 6612, 6786, 7163, 8242, 8892, 9193, 9918, 11412, 12046, 12363, 13572, 14326, 16484, 18069, 18386, 19836, 21489, 24092, 24726, 27579, 28652, 36138, 36772, 37089, 42978, 49452, 54207, 55158, 64467, 72276, 74178, 78299, 82737, 85956, 108414, 110316, 119509, 128934, 148356, 156598, 165474, 174667, 216828, 234897, 239018, 257868, 313196, 330948, 349334, 358527, 469794, 478036, 524001, 698668, 704691, 717054, 939588, 1048002, 1075581, 1409382, 1434108, 1572003, 2096004, 2151162, 2270671, 2818764, 3144006, 4302324, 4541342, 6288012, 6812013, 9082684, 13624026, 20436039, 27248052, 40872078, 81744156]

約数ペア:

[(1, 81744156), (2, 40872078), (3, 27248052), (4, 20436039), (6, 13624026), (9, 9082684), (12, 6812013), (13, 6288012), (18, 4541342), (19, 4302324), (26, 3144006), (29, 2818764), (36, 2270671), (38, 2151162), (39, 2096004), (52, 1572003), (57, 1434108), (58, 1409382), (76, 1075581), (78, 1048002), (87, 939588), (114, 717054), (116, 704691), (117, 698668), (156, 524001), (171, 478036), (174, 469794), (228, 358527), (234, 349334), (247, 330948), (261, 313196), (317, 257868), (342, 239018), (348, 234897), (377, 216828), (468, 174667), (494, 165474), (522, 156598), (551, 148356), (634, 128934), (684, 119509), (741, 110316), (754, 108414), (951, 85956), (988, 82737), (1044, 78299), (1102, 74178), (1131, 72276), (1268, 64467), (1482, 55158), (1508, 54207), (1653, 49452), (1902, 42978), (2204, 37089), (2223, 36772), (2262, 36138), (2853, 28652), (2964, 27579), (3306, 24726), (3393, 24092), (3804, 21489), (4121, 19836), (4446, 18386), (4524, 18069), (4959, 16484), (5706, 14326), (6023, 13572), (6612, 12363), (6786, 12046), (7163, 11412), (8242, 9918), (8892, 9193)]