256218192

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2531}}^1$

素因数の和:2601

約数の個数: 120

約数和(自身を含む): 775500960

約数和(自身を除く): 519282768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 37, 38, 48, 57, 72, 74, 76, 111, 114, 144, 148, 152, 171, 222, 228, 296, 304, 333, 342, 444, 456, 592, 666, 684, 703, 888, 912, 1332, 1368, 1406, 1776, 2109, 2531, 2664, 2736, 2812, 4218, 5062, 5328, 5624, 6327, 7593, 8436, 10124, 11248, 12654, 15186, 16872, 20248, 22779, 25308, 30372, 33744, 40496, 45558, 48089, 50616, 60744, 91116, 93647, 96178, 101232, 121488, 144267, 182232, 187294, 192356, 280941, 288534, 364464, 374588, 384712, 432801, 561882, 577068, 749176, 769424, 842823, 865602, 1123764, 1154136, 1498352, 1685646, 1731204, 1779293, 2247528, 2308272, 3371292, 3462408, 3558586, 4495056, 5337879, 6742584, 6924816, 7117172, 10675758, 13485168, 14234344, 16013637, 21351516, 28468688, 32027274, 42703032, 64054548, 85406064, 128109096, 256218192]

約数ペア:

[(1, 256218192), (2, 128109096), (3, 85406064), (4, 64054548), (6, 42703032), (8, 32027274), (9, 28468688), (12, 21351516), (16, 16013637), (18, 14234344), (19, 13485168), (24, 10675758), (36, 7117172), (37, 6924816), (38, 6742584), (48, 5337879), (57, 4495056), (72, 3558586), (74, 3462408), (76, 3371292), (111, 2308272), (114, 2247528), (144, 1779293), (148, 1731204), (152, 1685646), (171, 1498352), (222, 1154136), (228, 1123764), (296, 865602), (304, 842823), (333, 769424), (342, 749176), (444, 577068), (456, 561882), (592, 432801), (666, 384712), (684, 374588), (703, 364464), (888, 288534), (912, 280941), (1332, 192356), (1368, 187294), (1406, 182232), (1776, 144267), (2109, 121488), (2531, 101232), (2664, 96178), (2736, 93647), (2812, 91116), (4218, 60744), (5062, 50616), (5328, 48089), (5624, 45558), (6327, 40496), (7593, 33744), (8436, 30372), (10124, 25308), (11248, 22779), (12654, 20248), (15186, 16872)]