1420547920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{84961}}^1$

素因数の和:85004

約数の個数: 80

約数和(自身を含む): 3792703680

約数和(自身を除く): 2372155760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 16720, 84961, 169922, 339844, 424805, 679688, 849610, 934571, 1359376, 1614259, 1699220, 1869142, 3228518, 3398440, 3738284, 4672855, 6457036, 6796880, 7476568, 8071295, 9345710, 12914072, 14953136, 16142590, 17756849, 18691420, 25828144, 32285180, 35513698, 37382840, 64570360, 71027396, 74765680, 88784245, 129140720, 142054792, 177568490, 284109584, 355136980, 710273960, 1420547920]

約数ペア:

[(1, 1420547920), (2, 710273960), (4, 355136980), (5, 284109584), (8, 177568490), (10, 142054792), (11, 129140720), (16, 88784245), (19, 74765680), (20, 71027396), (22, 64570360), (38, 37382840), (40, 35513698), (44, 32285180), (55, 25828144), (76, 18691420), (80, 17756849), (88, 16142590), (95, 14953136), (110, 12914072), (152, 9345710), (176, 8071295), (190, 7476568), (209, 6796880), (220, 6457036), (304, 4672855), (380, 3738284), (418, 3398440), (440, 3228518), (760, 1869142), (836, 1699220), (880, 1614259), (1045, 1359376), (1520, 934571), (1672, 849610), (2090, 679688), (3344, 424805), (4180, 339844), (8360, 169922), (16720, 84961)]