28273560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 98219520

約数和(自身を除く): 69945960

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, 97, 105, 120, 140, 168, 194, 210, 280, 291, 347, 388, 420, 485, 582, 679, 694, 776, 840, 970, 1041, 1164, 1358, 1388, 1455, 1735, 1940, 2037, 2082, 2328, 2429, 2716, 2776, 2910, 3395, 3470, 3880, 4074, 4164, 4858, 5205, 5432, 5820, 6790, 6940, 7287, 8148, 8328, 9716, 10185, 10410, 11640, 12145, 13580, 13880, 14574, 16296, 19432, 20370, 20820, 24290, 27160, 29148, 33659, 36435, 40740, 41640, 48580, 58296, 67318, 72870, 81480, 97160, 100977, 134636, 145740, 168295, 201954, 235613, 269272, 291480, 336590, 403908, 471226, 504885, 673180, 706839, 807816, 942452, 1009770, 1178065, 1346360, 1413678, 1884904, 2019540, 2356130, 2827356, 3534195, 4039080, 4712260, 5654712, 7068390, 9424520, 14136780, 28273560]

約数ペア:

[(1, 28273560), (2, 14136780), (3, 9424520), (4, 7068390), (5, 5654712), (6, 4712260), (7, 4039080), (8, 3534195), (10, 2827356), (12, 2356130), (14, 2019540), (15, 1884904), (20, 1413678), (21, 1346360), (24, 1178065), (28, 1009770), (30, 942452), (35, 807816), (40, 706839), (42, 673180), (56, 504885), (60, 471226), (70, 403908), (84, 336590), (97, 291480), (105, 269272), (120, 235613), (140, 201954), (168, 168295), (194, 145740), (210, 134636), (280, 100977), (291, 97160), (347, 81480), (388, 72870), (420, 67318), (485, 58296), (582, 48580), (679, 41640), (694, 40740), (776, 36435), (840, 33659), (970, 29148), (1041, 27160), (1164, 24290), (1358, 20820), (1388, 20370), (1455, 19432), (1735, 16296), (1940, 14574), (2037, 13880), (2082, 13580), (2328, 12145), (2429, 11640), (2716, 10410), (2776, 10185), (2910, 9716), (3395, 8328), (3470, 8148), (3880, 7287), (4074, 6940), (4164, 6790), (4858, 5820), (5205, 5432)]