2778471720

素因数分解:

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

素因数の和:9278

約数の個数: 192

約数和(自身を含む): 9667607040

約数和(自身を除く): 6889135320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 81, 90, 93, 108, 120, 124, 135, 155, 162, 180, 186, 216, 243, 248, 270, 279, 310, 324, 360, 372, 405, 465, 486, 540, 558, 620, 648, 744, 810, 837, 930, 972, 1080, 1116, 1215, 1240, 1395, 1620, 1674, 1860, 1944, 2232, 2430, 2511, 2790, 3240, 3348, 3720, 4185, 4860, 5022, 5580, 6696, 7533, 8370, 9221, 9720, 10044, 11160, 12555, 15066, 16740, 18442, 20088, 25110, 27663, 30132, 33480, 36884, 37665, 46105, 50220, 55326, 60264, 73768, 75330, 82989, 92210, 100440, 110652, 138315, 150660, 165978, 184420, 221304, 248967, 276630, 285851, 301320, 331956, 368840, 414945, 497934, 553260, 571702, 663912, 746901, 829890, 857553, 995868, 1106520, 1143404, 1244835, 1429255, 1493802, 1659780, 1715106, 1991736, 2240703, 2286808, 2489670, 2572659, 2858510, 2987604, 3319560, 3430212, 3734505, 4287765, 4481406, 4979340, 5145318, 5717020, 5975208, 6860424, 7469010, 7717977, 8575530, 8962812, 9958680, 10290636, 11203515, 11434040, 12863295, 14938020, 15435954, 17151060, 17925624, 20581272, 22407030, 23153931, 25726590, 29876040, 30871908, 34302120, 38589885, 44814060, 46307862, 51453180, 61743816, 69461793, 77179770, 89628120, 92615724, 102906360, 115769655, 138923586, 154359540, 185231448, 231539310, 277847172, 308719080, 347308965, 463078620, 555694344, 694617930, 926157240, 1389235860, 2778471720]

約数ペア:

[(1, 2778471720), (2, 1389235860), (3, 926157240), (4, 694617930), (5, 555694344), (6, 463078620), (8, 347308965), (9, 308719080), (10, 277847172), (12, 231539310), (15, 185231448), (18, 154359540), (20, 138923586), (24, 115769655), (27, 102906360), (30, 92615724), (31, 89628120), (36, 77179770), (40, 69461793), (45, 61743816), (54, 51453180), (60, 46307862), (62, 44814060), (72, 38589885), (81, 34302120), (90, 30871908), (93, 29876040), (108, 25726590), (120, 23153931), (124, 22407030), (135, 20581272), (155, 17925624), (162, 17151060), (180, 15435954), (186, 14938020), (216, 12863295), (243, 11434040), (248, 11203515), (270, 10290636), (279, 9958680), (310, 8962812), (324, 8575530), (360, 7717977), (372, 7469010), (405, 6860424), (465, 5975208), (486, 5717020), (540, 5145318), (558, 4979340), (620, 4481406), (648, 4287765), (744, 3734505), (810, 3430212), (837, 3319560), (930, 2987604), (972, 2858510), (1080, 2572659), (1116, 2489670), (1215, 2286808), (1240, 2240703), (1395, 1991736), (1620, 1715106), (1674, 1659780), (1860, 1493802), (1944, 1429255), (2232, 1244835), (2430, 1143404), (2511, 1106520), (2790, 995868), (3240, 857553), (3348, 829890), (3720, 746901), (4185, 663912), (4860, 571702), (5022, 553260), (5580, 497934), (6696, 414945), (7533, 368840), (8370, 331956), (9221, 301320), (9720, 285851), (10044, 276630), (11160, 248967), (12555, 221304), (15066, 184420), (16740, 165978), (18442, 150660), (20088, 138315), (25110, 110652), (27663, 100440), (30132, 92210), (33480, 82989), (36884, 75330), (37665, 73768), (46105, 60264), (50220, 55326)]