19927680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 64774080

約数和(自身を除く): 44846400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 107, 120, 128, 160, 192, 194, 214, 240, 291, 320, 321, 384, 388, 428, 480, 485, 535, 582, 640, 642, 776, 856, 960, 970, 1070, 1164, 1284, 1455, 1552, 1605, 1712, 1920, 1940, 2140, 2328, 2568, 2910, 3104, 3210, 3424, 3880, 4280, 4656, 5136, 5820, 6208, 6420, 6848, 7760, 8560, 9312, 10272, 10379, 11640, 12416, 12840, 13696, 15520, 17120, 18624, 20544, 20758, 23280, 25680, 31040, 31137, 34240, 37248, 41088, 41516, 46560, 51360, 51895, 62080, 62274, 68480, 83032, 93120, 102720, 103790, 124548, 155685, 166064, 186240, 205440, 207580, 249096, 311370, 332128, 415160, 498192, 622740, 664256, 830320, 996384, 1245480, 1328512, 1660640, 1992768, 2490960, 3321280, 3985536, 4981920, 6642560, 9963840, 19927680]

約数ペア:

[(1, 19927680), (2, 9963840), (3, 6642560), (4, 4981920), (5, 3985536), (6, 3321280), (8, 2490960), (10, 1992768), (12, 1660640), (15, 1328512), (16, 1245480), (20, 996384), (24, 830320), (30, 664256), (32, 622740), (40, 498192), (48, 415160), (60, 332128), (64, 311370), (80, 249096), (96, 207580), (97, 205440), (107, 186240), (120, 166064), (128, 155685), (160, 124548), (192, 103790), (194, 102720), (214, 93120), (240, 83032), (291, 68480), (320, 62274), (321, 62080), (384, 51895), (388, 51360), (428, 46560), (480, 41516), (485, 41088), (535, 37248), (582, 34240), (640, 31137), (642, 31040), (776, 25680), (856, 23280), (960, 20758), (970, 20544), (1070, 18624), (1164, 17120), (1284, 15520), (1455, 13696), (1552, 12840), (1605, 12416), (1712, 11640), (1920, 10379), (1940, 10272), (2140, 9312), (2328, 8560), (2568, 7760), (2910, 6848), (3104, 6420), (3210, 6208), (3424, 5820), (3880, 5136), (4280, 4656)]