54315720

素因数分解:

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

素因数の和:236

約数の個数: 144

約数和(自身を含む): 183565980

約数和(自身を除く): 129250260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 157, 180, 186, 248, 279, 310, 314, 360, 372, 465, 471, 558, 620, 628, 744, 785, 930, 942, 961, 1116, 1240, 1256, 1395, 1413, 1570, 1860, 1884, 1922, 2232, 2355, 2790, 2826, 2883, 3140, 3720, 3768, 3844, 4710, 4805, 4867, 5580, 5652, 5766, 6280, 7065, 7688, 8649, 9420, 9610, 9734, 11160, 11304, 11532, 14130, 14415, 14601, 17298, 18840, 19220, 19468, 23064, 24335, 28260, 28830, 29202, 34596, 38440, 38936, 43245, 43803, 48670, 56520, 57660, 58404, 69192, 73005, 86490, 87606, 97340, 115320, 116808, 146010, 150877, 172980, 175212, 194680, 219015, 292020, 301754, 345960, 350424, 438030, 452631, 584040, 603508, 754385, 876060, 905262, 1207016, 1357893, 1508770, 1752120, 1810524, 2263155, 2715786, 3017540, 3621048, 4526310, 5431572, 6035080, 6789465, 9052620, 10863144, 13578930, 18105240, 27157860, 54315720]

約数ペア:

[(1, 54315720), (2, 27157860), (3, 18105240), (4, 13578930), (5, 10863144), (6, 9052620), (8, 6789465), (9, 6035080), (10, 5431572), (12, 4526310), (15, 3621048), (18, 3017540), (20, 2715786), (24, 2263155), (30, 1810524), (31, 1752120), (36, 1508770), (40, 1357893), (45, 1207016), (60, 905262), (62, 876060), (72, 754385), (90, 603508), (93, 584040), (120, 452631), (124, 438030), (155, 350424), (157, 345960), (180, 301754), (186, 292020), (248, 219015), (279, 194680), (310, 175212), (314, 172980), (360, 150877), (372, 146010), (465, 116808), (471, 115320), (558, 97340), (620, 87606), (628, 86490), (744, 73005), (785, 69192), (930, 58404), (942, 57660), (961, 56520), (1116, 48670), (1240, 43803), (1256, 43245), (1395, 38936), (1413, 38440), (1570, 34596), (1860, 29202), (1884, 28830), (1922, 28260), (2232, 24335), (2355, 23064), (2790, 19468), (2826, 19220), (2883, 18840), (3140, 17298), (3720, 14601), (3768, 14415), (3844, 14130), (4710, 11532), (4805, 11304), (4867, 11160), (5580, 9734), (5652, 9610), (5766, 9420), (6280, 8649), (7065, 7688)]