1289366920

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1\times {\mathrm{769}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 2933884800

約数和(自身を除く): 1644517880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 251, 334, 502, 668, 769, 835, 1004, 1255, 1336, 1538, 1670, 2008, 2510, 3076, 3340, 3845, 5020, 6152, 6680, 7690, 10040, 15380, 30760, 41917, 83834, 128423, 167668, 193019, 209585, 256846, 335336, 386038, 419170, 513692, 642115, 772076, 838340, 965095, 1027384, 1284230, 1544152, 1676680, 1930190, 2568460, 3860380, 5136920, 7720760, 32234173, 64468346, 128936692, 161170865, 257873384, 322341730, 644683460, 1289366920]

約数ペア:

[(1, 1289366920), (2, 644683460), (4, 322341730), (5, 257873384), (8, 161170865), (10, 128936692), (20, 64468346), (40, 32234173), (167, 7720760), (251, 5136920), (334, 3860380), (502, 2568460), (668, 1930190), (769, 1676680), (835, 1544152), (1004, 1284230), (1255, 1027384), (1336, 965095), (1538, 838340), (1670, 772076), (2008, 642115), (2510, 513692), (3076, 419170), (3340, 386038), (3845, 335336), (5020, 256846), (6152, 209585), (6680, 193019), (7690, 167668), (10040, 128423), (15380, 83834), (30760, 41917)]