15003520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 43623360

約数和(自身を除く): 28619840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 32, 34, 35, 40, 56, 64, 68, 70, 80, 85, 112, 119, 128, 136, 140, 160, 170, 197, 224, 238, 272, 280, 320, 340, 394, 448, 476, 544, 560, 595, 640, 680, 788, 896, 952, 985, 1088, 1120, 1190, 1360, 1379, 1576, 1904, 1970, 2176, 2240, 2380, 2720, 2758, 3152, 3349, 3808, 3940, 4480, 4760, 5440, 5516, 6304, 6698, 6895, 7616, 7880, 9520, 10880, 11032, 12608, 13396, 13790, 15232, 15760, 16745, 19040, 22064, 23443, 25216, 26792, 27580, 31520, 33490, 38080, 44128, 46886, 53584, 55160, 63040, 66980, 76160, 88256, 93772, 107168, 110320, 117215, 126080, 133960, 176512, 187544, 214336, 220640, 234430, 267920, 375088, 428672, 441280, 468860, 535840, 750176, 882560, 937720, 1071680, 1500352, 1875440, 2143360, 3000704, 3750880, 7501760, 15003520]

約数ペア:

[(1, 15003520), (2, 7501760), (4, 3750880), (5, 3000704), (7, 2143360), (8, 1875440), (10, 1500352), (14, 1071680), (16, 937720), (17, 882560), (20, 750176), (28, 535840), (32, 468860), (34, 441280), (35, 428672), (40, 375088), (56, 267920), (64, 234430), (68, 220640), (70, 214336), (80, 187544), (85, 176512), (112, 133960), (119, 126080), (128, 117215), (136, 110320), (140, 107168), (160, 93772), (170, 88256), (197, 76160), (224, 66980), (238, 63040), (272, 55160), (280, 53584), (320, 46886), (340, 44128), (394, 38080), (448, 33490), (476, 31520), (544, 27580), (560, 26792), (595, 25216), (640, 23443), (680, 22064), (788, 19040), (896, 16745), (952, 15760), (985, 15232), (1088, 13790), (1120, 13396), (1190, 12608), (1360, 11032), (1379, 10880), (1576, 9520), (1904, 7880), (1970, 7616), (2176, 6895), (2240, 6698), (2380, 6304), (2720, 5516), (2758, 5440), (3152, 4760), (3349, 4480), (3808, 3940)]