81360864

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:761

約数の個数: 144

約数和(自身を含む): 257572224

約数和(自身を除く): 176211360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 31, 32, 36, 39, 48, 52, 62, 72, 78, 93, 96, 104, 117, 124, 144, 156, 186, 208, 234, 248, 279, 288, 312, 372, 403, 416, 468, 496, 558, 624, 701, 744, 806, 936, 992, 1116, 1209, 1248, 1402, 1488, 1612, 1872, 2103, 2232, 2418, 2804, 2976, 3224, 3627, 3744, 4206, 4464, 4836, 5608, 6309, 6448, 7254, 8412, 8928, 9113, 9672, 11216, 12618, 12896, 14508, 16824, 18226, 19344, 21731, 22432, 25236, 27339, 29016, 33648, 36452, 38688, 43462, 50472, 54678, 58032, 65193, 67296, 72904, 82017, 86924, 100944, 109356, 116064, 130386, 145808, 164034, 173848, 195579, 201888, 218712, 260772, 282503, 291616, 328068, 347696, 391158, 437424, 521544, 565006, 656136, 695392, 782316, 847509, 874848, 1043088, 1130012, 1312272, 1564632, 1695018, 2086176, 2260024, 2542527, 2624544, 3129264, 3390036, 4520048, 5085054, 6258528, 6780072, 9040096, 10170108, 13560144, 20340216, 27120288, 40680432, 81360864]

約数ペア:

[(1, 81360864), (2, 40680432), (3, 27120288), (4, 20340216), (6, 13560144), (8, 10170108), (9, 9040096), (12, 6780072), (13, 6258528), (16, 5085054), (18, 4520048), (24, 3390036), (26, 3129264), (31, 2624544), (32, 2542527), (36, 2260024), (39, 2086176), (48, 1695018), (52, 1564632), (62, 1312272), (72, 1130012), (78, 1043088), (93, 874848), (96, 847509), (104, 782316), (117, 695392), (124, 656136), (144, 565006), (156, 521544), (186, 437424), (208, 391158), (234, 347696), (248, 328068), (279, 291616), (288, 282503), (312, 260772), (372, 218712), (403, 201888), (416, 195579), (468, 173848), (496, 164034), (558, 145808), (624, 130386), (701, 116064), (744, 109356), (806, 100944), (936, 86924), (992, 82017), (1116, 72904), (1209, 67296), (1248, 65193), (1402, 58032), (1488, 54678), (1612, 50472), (1872, 43462), (2103, 38688), (2232, 36452), (2418, 33648), (2804, 29016), (2976, 27339), (3224, 25236), (3627, 22432), (3744, 21731), (4206, 19344), (4464, 18226), (4836, 16824), (5608, 14508), (6309, 12896), (6448, 12618), (7254, 11216), (8412, 9672), (8928, 9113)]