81869280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 192

約数和(自身を含む): 278691840

約数和(自身を除く): 196822560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 79, 80, 85, 96, 102, 120, 127, 136, 158, 160, 170, 204, 237, 240, 254, 255, 272, 316, 340, 381, 395, 408, 474, 480, 508, 510, 544, 632, 635, 680, 762, 790, 816, 948, 1016, 1020, 1185, 1264, 1270, 1343, 1360, 1524, 1580, 1632, 1896, 1905, 2032, 2040, 2159, 2370, 2528, 2540, 2686, 2720, 3048, 3160, 3792, 3810, 4029, 4064, 4080, 4318, 4740, 5080, 5372, 6096, 6320, 6477, 6715, 7584, 7620, 8058, 8160, 8636, 9480, 10033, 10160, 10744, 10795, 12192, 12640, 12954, 13430, 15240, 16116, 17272, 18960, 20066, 20145, 20320, 21488, 21590, 25908, 26860, 30099, 30480, 32232, 32385, 34544, 37920, 40132, 40290, 42976, 43180, 50165, 51816, 53720, 60198, 60960, 64464, 64770, 69088, 80264, 80580, 86360, 100330, 103632, 107440, 120396, 128928, 129540, 150495, 160528, 161160, 170561, 172720, 200660, 207264, 214880, 240792, 259080, 300990, 321056, 322320, 341122, 345440, 401320, 481584, 511683, 518160, 601980, 644640, 682244, 802640, 852805, 963168, 1023366, 1036320, 1203960, 1364488, 1605280, 1705610, 2046732, 2407920, 2558415, 2728976, 3411220, 4093464, 4815840, 5116830, 5457952, 6822440, 8186928, 10233660, 13644880, 16373856, 20467320, 27289760, 40934640, 81869280]

約数ペア:

[(1, 81869280), (2, 40934640), (3, 27289760), (4, 20467320), (5, 16373856), (6, 13644880), (8, 10233660), (10, 8186928), (12, 6822440), (15, 5457952), (16, 5116830), (17, 4815840), (20, 4093464), (24, 3411220), (30, 2728976), (32, 2558415), (34, 2407920), (40, 2046732), (48, 1705610), (51, 1605280), (60, 1364488), (68, 1203960), (79, 1036320), (80, 1023366), (85, 963168), (96, 852805), (102, 802640), (120, 682244), (127, 644640), (136, 601980), (158, 518160), (160, 511683), (170, 481584), (204, 401320), (237, 345440), (240, 341122), (254, 322320), (255, 321056), (272, 300990), (316, 259080), (340, 240792), (381, 214880), (395, 207264), (408, 200660), (474, 172720), (480, 170561), (508, 161160), (510, 160528), (544, 150495), (632, 129540), (635, 128928), (680, 120396), (762, 107440), (790, 103632), (816, 100330), (948, 86360), (1016, 80580), (1020, 80264), (1185, 69088), (1264, 64770), (1270, 64464), (1343, 60960), (1360, 60198), (1524, 53720), (1580, 51816), (1632, 50165), (1896, 43180), (1905, 42976), (2032, 40290), (2040, 40132), (2159, 37920), (2370, 34544), (2528, 32385), (2540, 32232), (2686, 30480), (2720, 30099), (3048, 26860), (3160, 25908), (3792, 21590), (3810, 21488), (4029, 20320), (4064, 20145), (4080, 20066), (4318, 18960), (4740, 17272), (5080, 16116), (5372, 15240), (6096, 13430), (6320, 12954), (6477, 12640), (6715, 12192), (7584, 10795), (7620, 10744), (8058, 10160), (8160, 10033), (8636, 9480)]