123439360

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{797}}^1$

素因数の和:840

約数の個数: 108

約数和(自身を含む): 325406844

約数和(自身を除く): 201967484

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 605, 640, 704, 797, 880, 968, 1210, 1280, 1408, 1594, 1760, 1936, 2420, 2816, 3188, 3520, 3872, 3985, 4840, 6376, 7040, 7744, 7970, 8767, 9680, 12752, 14080, 15488, 15940, 17534, 19360, 25504, 30976, 31880, 35068, 38720, 43835, 51008, 63760, 70136, 77440, 87670, 96437, 102016, 127520, 140272, 154880, 175340, 192874, 204032, 255040, 280544, 350680, 385748, 482185, 510080, 561088, 701360, 771496, 964370, 1020160, 1122176, 1402720, 1542992, 1928740, 2244352, 2805440, 3085984, 3857480, 5610880, 6171968, 7714960, 11221760, 12343936, 15429920, 24687872, 30859840, 61719680, 123439360]

約数ペア:

[(1, 123439360), (2, 61719680), (4, 30859840), (5, 24687872), (8, 15429920), (10, 12343936), (11, 11221760), (16, 7714960), (20, 6171968), (22, 5610880), (32, 3857480), (40, 3085984), (44, 2805440), (55, 2244352), (64, 1928740), (80, 1542992), (88, 1402720), (110, 1122176), (121, 1020160), (128, 964370), (160, 771496), (176, 701360), (220, 561088), (242, 510080), (256, 482185), (320, 385748), (352, 350680), (440, 280544), (484, 255040), (605, 204032), (640, 192874), (704, 175340), (797, 154880), (880, 140272), (968, 127520), (1210, 102016), (1280, 96437), (1408, 87670), (1594, 77440), (1760, 70136), (1936, 63760), (2420, 51008), (2816, 43835), (3188, 38720), (3520, 35068), (3872, 31880), (3985, 30976), (4840, 25504), (6376, 19360), (7040, 17534), (7744, 15940), (7970, 15488), (8767, 14080), (9680, 12752)]