121992720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11821}}^1$

素因数の和:11880

約数の個数: 80

約数和(自身を含む): 387004992

約数和(自身を除く): 265012272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 11821, 23642, 35463, 47284, 59105, 70926, 94568, 118210, 141852, 177315, 189136, 236420, 283704, 354630, 472840, 508303, 567408, 709260, 945680, 1016606, 1418520, 1524909, 2033212, 2541515, 2837040, 3049818, 4066424, 5083030, 6099636, 7624545, 8132848, 10166060, 12199272, 15249090, 20332120, 24398544, 30498180, 40664240, 60996360, 121992720]

約数ペア:

[(1, 121992720), (2, 60996360), (3, 40664240), (4, 30498180), (5, 24398544), (6, 20332120), (8, 15249090), (10, 12199272), (12, 10166060), (15, 8132848), (16, 7624545), (20, 6099636), (24, 5083030), (30, 4066424), (40, 3049818), (43, 2837040), (48, 2541515), (60, 2033212), (80, 1524909), (86, 1418520), (120, 1016606), (129, 945680), (172, 709260), (215, 567408), (240, 508303), (258, 472840), (344, 354630), (430, 283704), (516, 236420), (645, 189136), (688, 177315), (860, 141852), (1032, 118210), (1290, 94568), (1720, 70926), (2064, 59105), (2580, 47284), (3440, 35463), (5160, 23642), (10320, 11821)]