2628080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:71

約数の個数: 120

約数和(自身を含む): 7936992

約数和(自身を除く): 5308912

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 361, 364, 380, 455, 494, 520, 532, 560, 665, 722, 728, 760, 910, 988, 1040, 1064, 1235, 1330, 1444, 1456, 1520, 1729, 1805, 1820, 1976, 2128, 2470, 2527, 2660, 2888, 3458, 3610, 3640, 3952, 4693, 4940, 5054, 5320, 5776, 6916, 7220, 7280, 8645, 9386, 9880, 10108, 10640, 12635, 13832, 14440, 17290, 18772, 19760, 20216, 23465, 25270, 27664, 28880, 32851, 34580, 37544, 40432, 46930, 50540, 65702, 69160, 75088, 93860, 101080, 131404, 138320, 164255, 187720, 202160, 262808, 328510, 375440, 525616, 657020, 1314040, 2628080]

約数ペア:

[(1, 2628080), (2, 1314040), (4, 657020), (5, 525616), (7, 375440), (8, 328510), (10, 262808), (13, 202160), (14, 187720), (16, 164255), (19, 138320), (20, 131404), (26, 101080), (28, 93860), (35, 75088), (38, 69160), (40, 65702), (52, 50540), (56, 46930), (65, 40432), (70, 37544), (76, 34580), (80, 32851), (91, 28880), (95, 27664), (104, 25270), (112, 23465), (130, 20216), (133, 19760), (140, 18772), (152, 17290), (182, 14440), (190, 13832), (208, 12635), (247, 10640), (260, 10108), (266, 9880), (280, 9386), (304, 8645), (361, 7280), (364, 7220), (380, 6916), (455, 5776), (494, 5320), (520, 5054), (532, 4940), (560, 4693), (665, 3952), (722, 3640), (728, 3610), (760, 3458), (910, 2888), (988, 2660), (1040, 2527), (1064, 2470), (1235, 2128), (1330, 1976), (1444, 1820), (1456, 1805), (1520, 1729)]