82721640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:683

約数の個数: 128

約数和(自身を含む): 263531520

約数和(自身を除く): 180809880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 248, 296, 310, 370, 372, 444, 465, 555, 601, 620, 740, 744, 888, 930, 1110, 1147, 1202, 1240, 1480, 1803, 1860, 2220, 2294, 2404, 3005, 3441, 3606, 3720, 4440, 4588, 4808, 5735, 6010, 6882, 7212, 9015, 9176, 11470, 12020, 13764, 14424, 17205, 18030, 18631, 22237, 22940, 24040, 27528, 34410, 36060, 37262, 44474, 45880, 55893, 66711, 68820, 72120, 74524, 88948, 93155, 111185, 111786, 133422, 137640, 149048, 177896, 186310, 222370, 223572, 266844, 279465, 333555, 372620, 444740, 447144, 533688, 558930, 667110, 689347, 745240, 889480, 1117860, 1334220, 1378694, 2068041, 2235720, 2668440, 2757388, 3446735, 4136082, 5514776, 6893470, 8272164, 10340205, 13786940, 16544328, 20680410, 27573880, 41360820, 82721640]

約数ペア:

[(1, 82721640), (2, 41360820), (3, 27573880), (4, 20680410), (5, 16544328), (6, 13786940), (8, 10340205), (10, 8272164), (12, 6893470), (15, 5514776), (20, 4136082), (24, 3446735), (30, 2757388), (31, 2668440), (37, 2235720), (40, 2068041), (60, 1378694), (62, 1334220), (74, 1117860), (93, 889480), (111, 745240), (120, 689347), (124, 667110), (148, 558930), (155, 533688), (185, 447144), (186, 444740), (222, 372620), (248, 333555), (296, 279465), (310, 266844), (370, 223572), (372, 222370), (444, 186310), (465, 177896), (555, 149048), (601, 137640), (620, 133422), (740, 111786), (744, 111185), (888, 93155), (930, 88948), (1110, 74524), (1147, 72120), (1202, 68820), (1240, 66711), (1480, 55893), (1803, 45880), (1860, 44474), (2220, 37262), (2294, 36060), (2404, 34410), (3005, 27528), (3441, 24040), (3606, 22940), (3720, 22237), (4440, 18631), (4588, 18030), (4808, 17205), (5735, 14424), (6010, 13764), (6882, 12020), (7212, 11470), (9015, 9176)]