81456012

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 239410080

約数和(自身を除く): 157954068

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 41, 44, 58, 66, 82, 87, 99, 116, 123, 132, 164, 173, 174, 198, 246, 261, 319, 346, 348, 369, 396, 451, 492, 519, 522, 638, 692, 738, 902, 957, 1038, 1044, 1189, 1276, 1353, 1476, 1557, 1804, 1903, 1914, 2076, 2378, 2706, 2871, 3114, 3567, 3806, 3828, 4059, 4756, 5017, 5412, 5709, 5742, 6228, 7093, 7134, 7612, 8118, 10034, 10701, 11418, 11484, 13079, 14186, 14268, 15051, 16236, 17127, 20068, 21279, 21402, 22836, 26158, 28372, 30102, 34254, 39237, 42558, 42804, 45153, 52316, 55187, 60204, 63837, 68508, 78023, 78474, 85116, 90306, 110374, 117711, 127674, 156046, 156948, 165561, 180612, 205697, 220748, 234069, 235422, 255348, 312092, 331122, 411394, 468138, 470844, 496683, 617091, 662244, 702207, 822788, 936276, 993366, 1234182, 1404414, 1851273, 1986732, 2262667, 2468364, 2808828, 3702546, 4525334, 6788001, 7405092, 9050668, 13576002, 20364003, 27152004, 40728006, 81456012]

約数ペア:

[(1, 81456012), (2, 40728006), (3, 27152004), (4, 20364003), (6, 13576002), (9, 9050668), (11, 7405092), (12, 6788001), (18, 4525334), (22, 3702546), (29, 2808828), (33, 2468364), (36, 2262667), (41, 1986732), (44, 1851273), (58, 1404414), (66, 1234182), (82, 993366), (87, 936276), (99, 822788), (116, 702207), (123, 662244), (132, 617091), (164, 496683), (173, 470844), (174, 468138), (198, 411394), (246, 331122), (261, 312092), (319, 255348), (346, 235422), (348, 234069), (369, 220748), (396, 205697), (451, 180612), (492, 165561), (519, 156948), (522, 156046), (638, 127674), (692, 117711), (738, 110374), (902, 90306), (957, 85116), (1038, 78474), (1044, 78023), (1189, 68508), (1276, 63837), (1353, 60204), (1476, 55187), (1557, 52316), (1804, 45153), (1903, 42804), (1914, 42558), (2076, 39237), (2378, 34254), (2706, 30102), (2871, 28372), (3114, 26158), (3567, 22836), (3806, 21402), (3828, 21279), (4059, 20068), (4756, 17127), (5017, 16236), (5412, 15051), (5709, 14268), (5742, 14186), (6228, 13079), (7093, 11484), (7134, 11418), (7612, 10701), (8118, 10034)]