15970640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:137

約数の個数: 120

約数和(自身を含む): 45354240

約数和(自身を除く): 29383600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 79, 80, 95, 112, 133, 140, 152, 158, 190, 266, 280, 304, 316, 361, 380, 395, 532, 553, 560, 632, 665, 722, 760, 790, 1064, 1106, 1264, 1330, 1444, 1501, 1520, 1580, 1805, 2128, 2212, 2527, 2660, 2765, 2888, 3002, 3160, 3610, 4424, 5054, 5320, 5530, 5776, 6004, 6320, 7220, 7505, 8848, 10108, 10507, 10640, 11060, 12008, 12635, 14440, 15010, 20216, 21014, 22120, 24016, 25270, 28519, 28880, 30020, 40432, 42028, 44240, 50540, 52535, 57038, 60040, 84056, 101080, 105070, 114076, 120080, 142595, 168112, 199633, 202160, 210140, 228152, 285190, 399266, 420280, 456304, 570380, 798532, 840560, 998165, 1140760, 1597064, 1996330, 2281520, 3194128, 3992660, 7985320, 15970640]

約数ペア:

[(1, 15970640), (2, 7985320), (4, 3992660), (5, 3194128), (7, 2281520), (8, 1996330), (10, 1597064), (14, 1140760), (16, 998165), (19, 840560), (20, 798532), (28, 570380), (35, 456304), (38, 420280), (40, 399266), (56, 285190), (70, 228152), (76, 210140), (79, 202160), (80, 199633), (95, 168112), (112, 142595), (133, 120080), (140, 114076), (152, 105070), (158, 101080), (190, 84056), (266, 60040), (280, 57038), (304, 52535), (316, 50540), (361, 44240), (380, 42028), (395, 40432), (532, 30020), (553, 28880), (560, 28519), (632, 25270), (665, 24016), (722, 22120), (760, 21014), (790, 20216), (1064, 15010), (1106, 14440), (1264, 12635), (1330, 12008), (1444, 11060), (1501, 10640), (1520, 10507), (1580, 10108), (1805, 8848), (2128, 7505), (2212, 7220), (2527, 6320), (2660, 6004), (2765, 5776), (2888, 5530), (3002, 5320), (3160, 5054), (3610, 4424)]