15555120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 160

約数和(自身を含む): 56567808

約数和(自身を除く): 41012688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 47, 48, 56, 60, 70, 80, 84, 94, 105, 112, 120, 140, 141, 168, 188, 197, 210, 235, 240, 280, 282, 329, 336, 376, 394, 420, 470, 560, 564, 591, 658, 705, 752, 788, 840, 940, 985, 987, 1128, 1182, 1316, 1379, 1410, 1576, 1645, 1680, 1880, 1970, 1974, 2256, 2364, 2632, 2758, 2820, 2955, 3152, 3290, 3760, 3940, 3948, 4137, 4728, 4935, 5264, 5516, 5640, 5910, 6580, 6895, 7880, 7896, 8274, 9259, 9456, 9870, 11032, 11280, 11820, 13160, 13790, 15760, 15792, 16548, 18518, 19740, 20685, 22064, 23640, 26320, 27580, 27777, 33096, 37036, 39480, 41370, 46295, 47280, 55160, 55554, 64813, 66192, 74072, 78960, 82740, 92590, 110320, 111108, 129626, 138885, 148144, 165480, 185180, 194439, 222216, 259252, 277770, 324065, 330960, 370360, 388878, 444432, 518504, 555540, 648130, 740720, 777756, 972195, 1037008, 1111080, 1296260, 1555512, 1944390, 2222160, 2592520, 3111024, 3888780, 5185040, 7777560, 15555120]

約数ペア:

[(1, 15555120), (2, 7777560), (3, 5185040), (4, 3888780), (5, 3111024), (6, 2592520), (7, 2222160), (8, 1944390), (10, 1555512), (12, 1296260), (14, 1111080), (15, 1037008), (16, 972195), (20, 777756), (21, 740720), (24, 648130), (28, 555540), (30, 518504), (35, 444432), (40, 388878), (42, 370360), (47, 330960), (48, 324065), (56, 277770), (60, 259252), (70, 222216), (80, 194439), (84, 185180), (94, 165480), (105, 148144), (112, 138885), (120, 129626), (140, 111108), (141, 110320), (168, 92590), (188, 82740), (197, 78960), (210, 74072), (235, 66192), (240, 64813), (280, 55554), (282, 55160), (329, 47280), (336, 46295), (376, 41370), (394, 39480), (420, 37036), (470, 33096), (560, 27777), (564, 27580), (591, 26320), (658, 23640), (705, 22064), (752, 20685), (788, 19740), (840, 18518), (940, 16548), (985, 15792), (987, 15760), (1128, 13790), (1182, 13160), (1316, 11820), (1379, 11280), (1410, 11032), (1576, 9870), (1645, 9456), (1680, 9259), (1880, 8274), (1970, 7896), (1974, 7880), (2256, 6895), (2364, 6580), (2632, 5910), (2758, 5640), (2820, 5516), (2955, 5264), (3152, 4935), (3290, 4728), (3760, 4137), (3940, 3948)]