81934440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{947}}^1$

素因数の和:1071

約数の個数: 128

約数和(自身を含む): 283944960

約数和(自身を除く): 202010520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 103, 105, 120, 140, 168, 206, 210, 280, 309, 412, 420, 515, 618, 721, 824, 840, 947, 1030, 1236, 1442, 1545, 1894, 2060, 2163, 2472, 2841, 2884, 3090, 3605, 3788, 4120, 4326, 4735, 5682, 5768, 6180, 6629, 7210, 7576, 8652, 9470, 10815, 11364, 12360, 13258, 14205, 14420, 17304, 18940, 19887, 21630, 22728, 26516, 28410, 28840, 33145, 37880, 39774, 43260, 53032, 56820, 66290, 79548, 86520, 97541, 99435, 113640, 132580, 159096, 195082, 198870, 265160, 292623, 390164, 397740, 487705, 585246, 682787, 780328, 795480, 975410, 1170492, 1365574, 1463115, 1950820, 2048361, 2340984, 2731148, 2926230, 3413935, 3901640, 4096722, 5462296, 5852460, 6827870, 8193444, 10241805, 11704920, 13655740, 16386888, 20483610, 27311480, 40967220, 81934440]

約数ペア:

[(1, 81934440), (2, 40967220), (3, 27311480), (4, 20483610), (5, 16386888), (6, 13655740), (7, 11704920), (8, 10241805), (10, 8193444), (12, 6827870), (14, 5852460), (15, 5462296), (20, 4096722), (21, 3901640), (24, 3413935), (28, 2926230), (30, 2731148), (35, 2340984), (40, 2048361), (42, 1950820), (56, 1463115), (60, 1365574), (70, 1170492), (84, 975410), (103, 795480), (105, 780328), (120, 682787), (140, 585246), (168, 487705), (206, 397740), (210, 390164), (280, 292623), (309, 265160), (412, 198870), (420, 195082), (515, 159096), (618, 132580), (721, 113640), (824, 99435), (840, 97541), (947, 86520), (1030, 79548), (1236, 66290), (1442, 56820), (1545, 53032), (1894, 43260), (2060, 39774), (2163, 37880), (2472, 33145), (2841, 28840), (2884, 28410), (3090, 26516), (3605, 22728), (3788, 21630), (4120, 19887), (4326, 18940), (4735, 17304), (5682, 14420), (5768, 14205), (6180, 13258), (6629, 12360), (7210, 11364), (7576, 10815), (8652, 9470)]