81877834720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{33301}}^1$

素因数の和:33465

約数の個数: 144

約数和(自身を含む): 214300767744

約数和(自身を除く): 132422933024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 127, 160, 176, 220, 242, 254, 352, 440, 484, 508, 605, 635, 880, 968, 1016, 1210, 1270, 1397, 1760, 1936, 2032, 2420, 2540, 2794, 3872, 4064, 4840, 5080, 5588, 6985, 9680, 10160, 11176, 13970, 15367, 19360, 20320, 22352, 27940, 30734, 33301, 44704, 55880, 61468, 66602, 76835, 111760, 122936, 133204, 153670, 166505, 223520, 245872, 266408, 307340, 333010, 366311, 491744, 532816, 614680, 666020, 732622, 1065632, 1229360, 1332040, 1465244, 1831555, 2458720, 2664080, 2930488, 3663110, 4029421, 4229227, 5328160, 5860976, 7326220, 8058842, 8458454, 11721952, 14652440, 16117684, 16916908, 20147105, 21146135, 29304880, 32235368, 33833816, 40294210, 42292270, 46521497, 58609760, 64470736, 67667632, 80588420, 84584540, 93042994, 128941472, 135335264, 161176840, 169169080, 186085988, 232607485, 322353680, 338338160, 372171976, 465214970, 511736467, 644707360, 676676320, 744343952, 930429940, 1023472934, 1488687904, 1860859880, 2046945868, 2558682335, 3721719760, 4093891736, 5117364670, 7443439520, 8187783472, 10234729340, 16375566944, 20469458680, 40938917360, 81877834720]

約数ペア:

[(1, 81877834720), (2, 40938917360), (4, 20469458680), (5, 16375566944), (8, 10234729340), (10, 8187783472), (11, 7443439520), (16, 5117364670), (20, 4093891736), (22, 3721719760), (32, 2558682335), (40, 2046945868), (44, 1860859880), (55, 1488687904), (80, 1023472934), (88, 930429940), (110, 744343952), (121, 676676320), (127, 644707360), (160, 511736467), (176, 465214970), (220, 372171976), (242, 338338160), (254, 322353680), (352, 232607485), (440, 186085988), (484, 169169080), (508, 161176840), (605, 135335264), (635, 128941472), (880, 93042994), (968, 84584540), (1016, 80588420), (1210, 67667632), (1270, 64470736), (1397, 58609760), (1760, 46521497), (1936, 42292270), (2032, 40294210), (2420, 33833816), (2540, 32235368), (2794, 29304880), (3872, 21146135), (4064, 20147105), (4840, 16916908), (5080, 16117684), (5588, 14652440), (6985, 11721952), (9680, 8458454), (10160, 8058842), (11176, 7326220), (13970, 5860976), (15367, 5328160), (19360, 4229227), (20320, 4029421), (22352, 3663110), (27940, 2930488), (30734, 2664080), (33301, 2458720), (44704, 1831555), (55880, 1465244), (61468, 1332040), (66602, 1229360), (76835, 1065632), (111760, 732622), (122936, 666020), (133204, 614680), (153670, 532816), (166505, 491744), (223520, 366311), (245872, 333010), (266408, 307340)]