205812720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9221}}^1$

素因数の和:9271

約数の個数: 120

約数和(自身を含む): 713561472

約数和(自身を除く): 507748752

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 9221, 11160, 18442, 22320, 27663, 36884, 46105, 55326, 73768, 82989, 92210, 110652, 138315, 147536, 165978, 184420, 221304, 276630, 285851, 331956, 368840, 414945, 442608, 553260, 571702, 663912, 737680, 829890, 857553, 1106520, 1143404, 1327824, 1429255, 1659780, 1715106, 2213040, 2286808, 2572659, 2858510, 3319560, 3430212, 4287765, 4573616, 5145318, 5717020, 6639120, 6860424, 8575530, 10290636, 11434040, 12863295, 13720848, 17151060, 20581272, 22868080, 25726590, 34302120, 41162544, 51453180, 68604240, 102906360, 205812720]

約数ペア:

[(1, 205812720), (2, 102906360), (3, 68604240), (4, 51453180), (5, 41162544), (6, 34302120), (8, 25726590), (9, 22868080), (10, 20581272), (12, 17151060), (15, 13720848), (16, 12863295), (18, 11434040), (20, 10290636), (24, 8575530), (30, 6860424), (31, 6639120), (36, 5717020), (40, 5145318), (45, 4573616), (48, 4287765), (60, 3430212), (62, 3319560), (72, 2858510), (80, 2572659), (90, 2286808), (93, 2213040), (120, 1715106), (124, 1659780), (144, 1429255), (155, 1327824), (180, 1143404), (186, 1106520), (240, 857553), (248, 829890), (279, 737680), (310, 663912), (360, 571702), (372, 553260), (465, 442608), (496, 414945), (558, 368840), (620, 331956), (720, 285851), (744, 276630), (930, 221304), (1116, 184420), (1240, 165978), (1395, 147536), (1488, 138315), (1860, 110652), (2232, 92210), (2480, 82989), (2790, 73768), (3720, 55326), (4464, 46105), (5580, 36884), (7440, 27663), (9221, 22320), (11160, 18442)]