2080459720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{373}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 5089392000

約数和(自身を除く): 3008932280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 179, 190, 205, 328, 358, 373, 380, 410, 716, 746, 760, 779, 820, 895, 1432, 1492, 1558, 1640, 1790, 1865, 2984, 3116, 3401, 3580, 3730, 3895, 6232, 6802, 7087, 7160, 7339, 7460, 7790, 13604, 14174, 14678, 14920, 15293, 15580, 17005, 27208, 28348, 29356, 30586, 31160, 34010, 35435, 36695, 56696, 58712, 61172, 66767, 68020, 70870, 73390, 76465, 122344, 133534, 136040, 139441, 141740, 146780, 152930, 267068, 278882, 283480, 290567, 293560, 305860, 333835, 534136, 557764, 581134, 611720, 667670, 697205, 1115528, 1162268, 1268573, 1335340, 1394410, 1452835, 2324536, 2537146, 2670680, 2737447, 2788820, 2905670, 5074292, 5474894, 5577640, 5811340, 6342865, 10148584, 10949788, 11622680, 12685730, 13687235, 21899576, 25371460, 27374470, 50742920, 52011493, 54748940, 104022986, 109497880, 208045972, 260057465, 416091944, 520114930, 1040229860, 2080459720]

約数ペア:

[(1, 2080459720), (2, 1040229860), (4, 520114930), (5, 416091944), (8, 260057465), (10, 208045972), (19, 109497880), (20, 104022986), (38, 54748940), (40, 52011493), (41, 50742920), (76, 27374470), (82, 25371460), (95, 21899576), (152, 13687235), (164, 12685730), (179, 11622680), (190, 10949788), (205, 10148584), (328, 6342865), (358, 5811340), (373, 5577640), (380, 5474894), (410, 5074292), (716, 2905670), (746, 2788820), (760, 2737447), (779, 2670680), (820, 2537146), (895, 2324536), (1432, 1452835), (1492, 1394410), (1558, 1335340), (1640, 1268573), (1790, 1162268), (1865, 1115528), (2984, 697205), (3116, 667670), (3401, 611720), (3580, 581134), (3730, 557764), (3895, 534136), (6232, 333835), (6802, 305860), (7087, 293560), (7160, 290567), (7339, 283480), (7460, 278882), (7790, 267068), (13604, 152930), (14174, 146780), (14678, 141740), (14920, 139441), (15293, 136040), (15580, 133534), (17005, 122344), (27208, 76465), (28348, 73390), (29356, 70870), (30586, 68020), (31160, 66767), (34010, 61172), (35435, 58712), (36695, 56696)]