28389960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 128

約数和(自身を含む): 95961600

約数和(自身を除く): 67571640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 180, 194, 216, 270, 271, 291, 360, 388, 485, 540, 542, 582, 776, 813, 873, 970, 1080, 1084, 1164, 1355, 1455, 1626, 1746, 1940, 2168, 2328, 2439, 2619, 2710, 2910, 3252, 3492, 3880, 4065, 4365, 4878, 5238, 5420, 5820, 6504, 6984, 7317, 8130, 8730, 9756, 10476, 10840, 11640, 12195, 13095, 14634, 16260, 17460, 19512, 20952, 24390, 26190, 26287, 29268, 32520, 34920, 36585, 48780, 52380, 52574, 58536, 73170, 78861, 97560, 104760, 105148, 131435, 146340, 157722, 210296, 236583, 262870, 292680, 315444, 394305, 473166, 525740, 630888, 709749, 788610, 946332, 1051480, 1182915, 1419498, 1577220, 1892664, 2365830, 2838996, 3154440, 3548745, 4731660, 5677992, 7097490, 9463320, 14194980, 28389960]

約数ペア:

[(1, 28389960), (2, 14194980), (3, 9463320), (4, 7097490), (5, 5677992), (6, 4731660), (8, 3548745), (9, 3154440), (10, 2838996), (12, 2365830), (15, 1892664), (18, 1577220), (20, 1419498), (24, 1182915), (27, 1051480), (30, 946332), (36, 788610), (40, 709749), (45, 630888), (54, 525740), (60, 473166), (72, 394305), (90, 315444), (97, 292680), (108, 262870), (120, 236583), (135, 210296), (180, 157722), (194, 146340), (216, 131435), (270, 105148), (271, 104760), (291, 97560), (360, 78861), (388, 73170), (485, 58536), (540, 52574), (542, 52380), (582, 48780), (776, 36585), (813, 34920), (873, 32520), (970, 29268), (1080, 26287), (1084, 26190), (1164, 24390), (1355, 20952), (1455, 19512), (1626, 17460), (1746, 16260), (1940, 14634), (2168, 13095), (2328, 12195), (2439, 11640), (2619, 10840), (2710, 10476), (2910, 9756), (3252, 8730), (3492, 8130), (3880, 7317), (4065, 6984), (4365, 6504), (4878, 5820), (5238, 5420)]