67283920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 172096128

約数和(自身を除く): 104812208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 157, 176, 220, 314, 440, 487, 628, 785, 880, 974, 1256, 1570, 1727, 1948, 2435, 2512, 3140, 3454, 3896, 4870, 5357, 6280, 6908, 7792, 8635, 9740, 10714, 12560, 13816, 17270, 19480, 21428, 26785, 27632, 34540, 38960, 42856, 53570, 69080, 76459, 85712, 107140, 138160, 152918, 214280, 305836, 382295, 428560, 611672, 764590, 841049, 1223344, 1529180, 1682098, 3058360, 3364196, 4205245, 6116720, 6728392, 8410490, 13456784, 16820980, 33641960, 67283920]

約数ペア:

[(1, 67283920), (2, 33641960), (4, 16820980), (5, 13456784), (8, 8410490), (10, 6728392), (11, 6116720), (16, 4205245), (20, 3364196), (22, 3058360), (40, 1682098), (44, 1529180), (55, 1223344), (80, 841049), (88, 764590), (110, 611672), (157, 428560), (176, 382295), (220, 305836), (314, 214280), (440, 152918), (487, 138160), (628, 107140), (785, 85712), (880, 76459), (974, 69080), (1256, 53570), (1570, 42856), (1727, 38960), (1948, 34540), (2435, 27632), (2512, 26785), (3140, 21428), (3454, 19480), (3896, 17270), (4870, 13816), (5357, 12560), (6280, 10714), (6908, 9740), (7792, 8635)]