25440240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{797}}^1$

素因数の和:839

約数の個数: 160

約数和(自身を含む): 94993920

約数和(自身を除く): 69553680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 797, 798, 840, 912, 1064, 1140, 1330, 1520, 1594, 1596, 1680, 1995, 2128, 2280, 2391, 2660, 3188, 3192, 3985, 3990, 4560, 4782, 5320, 5579, 6376, 6384, 7970, 7980, 9564, 10640, 11158, 11955, 12752, 15143, 15940, 15960, 16737, 19128, 22316, 23910, 27895, 30286, 31880, 31920, 33474, 38256, 44632, 45429, 47820, 55790, 60572, 63760, 66948, 75715, 83685, 89264, 90858, 95640, 106001, 111580, 121144, 133896, 151430, 167370, 181716, 191280, 212002, 223160, 227145, 242288, 267792, 302860, 318003, 334740, 363432, 424004, 446320, 454290, 530005, 605720, 636006, 669480, 726864, 848008, 908580, 1060010, 1211440, 1272012, 1338960, 1590015, 1696016, 1817160, 2120020, 2544024, 3180030, 3634320, 4240040, 5088048, 6360060, 8480080, 12720120, 25440240]

約数ペア:

[(1, 25440240), (2, 12720120), (3, 8480080), (4, 6360060), (5, 5088048), (6, 4240040), (7, 3634320), (8, 3180030), (10, 2544024), (12, 2120020), (14, 1817160), (15, 1696016), (16, 1590015), (19, 1338960), (20, 1272012), (21, 1211440), (24, 1060010), (28, 908580), (30, 848008), (35, 726864), (38, 669480), (40, 636006), (42, 605720), (48, 530005), (56, 454290), (57, 446320), (60, 424004), (70, 363432), (76, 334740), (80, 318003), (84, 302860), (95, 267792), (105, 242288), (112, 227145), (114, 223160), (120, 212002), (133, 191280), (140, 181716), (152, 167370), (168, 151430), (190, 133896), (210, 121144), (228, 111580), (240, 106001), (266, 95640), (280, 90858), (285, 89264), (304, 83685), (336, 75715), (380, 66948), (399, 63760), (420, 60572), (456, 55790), (532, 47820), (560, 45429), (570, 44632), (665, 38256), (760, 33474), (797, 31920), (798, 31880), (840, 30286), (912, 27895), (1064, 23910), (1140, 22316), (1330, 19128), (1520, 16737), (1594, 15960), (1596, 15940), (1680, 15143), (1995, 12752), (2128, 11955), (2280, 11158), (2391, 10640), (2660, 9564), (3188, 7980), (3192, 7970), (3985, 6384), (3990, 6376), (4560, 5579), (4782, 5320)]