18105240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 56481840

約数和(自身を除く): 38376600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 157, 186, 248, 310, 314, 372, 465, 471, 620, 628, 744, 785, 930, 942, 961, 1240, 1256, 1570, 1860, 1884, 1922, 2355, 2883, 3140, 3720, 3768, 3844, 4710, 4805, 4867, 5766, 6280, 7688, 9420, 9610, 9734, 11532, 14415, 14601, 18840, 19220, 19468, 23064, 24335, 28830, 29202, 38440, 38936, 48670, 57660, 58404, 73005, 97340, 115320, 116808, 146010, 150877, 194680, 292020, 301754, 452631, 584040, 603508, 754385, 905262, 1207016, 1508770, 1810524, 2263155, 3017540, 3621048, 4526310, 6035080, 9052620, 18105240]

約数ペア:

[(1, 18105240), (2, 9052620), (3, 6035080), (4, 4526310), (5, 3621048), (6, 3017540), (8, 2263155), (10, 1810524), (12, 1508770), (15, 1207016), (20, 905262), (24, 754385), (30, 603508), (31, 584040), (40, 452631), (60, 301754), (62, 292020), (93, 194680), (120, 150877), (124, 146010), (155, 116808), (157, 115320), (186, 97340), (248, 73005), (310, 58404), (314, 57660), (372, 48670), (465, 38936), (471, 38440), (620, 29202), (628, 28830), (744, 24335), (785, 23064), (930, 19468), (942, 19220), (961, 18840), (1240, 14601), (1256, 14415), (1570, 11532), (1860, 9734), (1884, 9610), (1922, 9420), (2355, 7688), (2883, 6280), (3140, 5766), (3720, 4867), (3768, 4805), (3844, 4710)]