221187480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1607}}^1$

素因数の和:1689

約数の個数: 128

約数和(自身を含む): 703918080

約数和(自身を除く): 482730600

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, 620, 740, 744, 888, 930, 1110, 1147, 1240, 1480, 1607, 1860, 2220, 2294, 3214, 3441, 3720, 4440, 4588, 4821, 5735, 6428, 6882, 8035, 9176, 9642, 11470, 12856, 13764, 16070, 17205, 19284, 22940, 24105, 27528, 32140, 34410, 38568, 45880, 48210, 49817, 59459, 64280, 68820, 96420, 99634, 118918, 137640, 149451, 178377, 192840, 199268, 237836, 249085, 297295, 298902, 356754, 398536, 475672, 498170, 594590, 597804, 713508, 747255, 891885, 996340, 1189180, 1195608, 1427016, 1494510, 1783770, 1843229, 1992680, 2378360, 2989020, 3567540, 3686458, 5529687, 5978040, 7135080, 7372916, 9216145, 11059374, 14745832, 18432290, 22118748, 27648435, 36864580, 44237496, 55296870, 73729160, 110593740, 221187480]

約数ペア:

[(1, 221187480), (2, 110593740), (3, 73729160), (4, 55296870), (5, 44237496), (6, 36864580), (8, 27648435), (10, 22118748), (12, 18432290), (15, 14745832), (20, 11059374), (24, 9216145), (30, 7372916), (31, 7135080), (37, 5978040), (40, 5529687), (60, 3686458), (62, 3567540), (74, 2989020), (93, 2378360), (111, 1992680), (120, 1843229), (124, 1783770), (148, 1494510), (155, 1427016), (185, 1195608), (186, 1189180), (222, 996340), (248, 891885), (296, 747255), (310, 713508), (370, 597804), (372, 594590), (444, 498170), (465, 475672), (555, 398536), (620, 356754), (740, 298902), (744, 297295), (888, 249085), (930, 237836), (1110, 199268), (1147, 192840), (1240, 178377), (1480, 149451), (1607, 137640), (1860, 118918), (2220, 99634), (2294, 96420), (3214, 68820), (3441, 64280), (3720, 59459), (4440, 49817), (4588, 48210), (4821, 45880), (5735, 38568), (6428, 34410), (6882, 32140), (8035, 27528), (9176, 24105), (9642, 22940), (11470, 19284), (12856, 17205), (13764, 16070)]