2178987720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5393}}^1$

素因数の和:5464

約数の個数: 256

約数和(自身を含む): 8264471040

約数和(自身を除く): 6085483320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 52, 56, 60, 65, 70, 74, 78, 84, 91, 104, 105, 111, 120, 130, 140, 148, 156, 168, 182, 185, 195, 210, 222, 259, 260, 273, 280, 296, 312, 364, 370, 390, 420, 444, 455, 481, 518, 520, 546, 555, 728, 740, 777, 780, 840, 888, 910, 962, 1036, 1092, 1110, 1295, 1365, 1443, 1480, 1554, 1560, 1820, 1924, 2072, 2184, 2220, 2405, 2590, 2730, 2886, 3108, 3367, 3640, 3848, 3885, 4440, 4810, 5180, 5393, 5460, 5772, 6216, 6734, 7215, 7770, 9620, 10101, 10360, 10786, 10920, 11544, 13468, 14430, 15540, 16179, 16835, 19240, 20202, 21572, 26936, 26965, 28860, 31080, 32358, 33670, 37751, 40404, 43144, 50505, 53930, 57720, 64716, 67340, 70109, 75502, 80808, 80895, 101010, 107860, 113253, 129432, 134680, 140218, 151004, 161790, 188755, 199541, 202020, 210327, 215720, 226506, 280436, 302008, 323580, 350545, 377510, 399082, 404040, 420654, 453012, 490763, 560872, 566265, 598623, 647160, 701090, 755020, 798164, 841308, 906024, 981526, 997705, 1051635, 1132530, 1197246, 1396787, 1402180, 1472289, 1510040, 1596328, 1682616, 1963052, 1995410, 2103270, 2265060, 2394492, 2453815, 2594033, 2793574, 2804360, 2944578, 2993115, 3926104, 3990820, 4190361, 4206540, 4530120, 4788984, 4907630, 5188066, 5587148, 5889156, 5986230, 6983935, 7361445, 7782099, 7981640, 8380722, 8413080, 9815260, 10376132, 11174296, 11778312, 11972460, 12970165, 13967870, 14722890, 15564198, 16761444, 18158231, 19630520, 20752264, 20951805, 23944920, 25940330, 27935740, 29445780, 31128396, 33522888, 36316462, 38910495, 41903610, 51880660, 54474693, 55871480, 58891560, 62256792, 72632924, 77820990, 83807220, 90791155, 103761320, 108949386, 145265848, 155641980, 167614440, 181582310, 217898772, 272373465, 311283960, 363164620, 435797544, 544746930, 726329240, 1089493860, 2178987720]

約数ペア:

[(1, 2178987720), (2, 1089493860), (3, 726329240), (4, 544746930), (5, 435797544), (6, 363164620), (7, 311283960), (8, 272373465), (10, 217898772), (12, 181582310), (13, 167614440), (14, 155641980), (15, 145265848), (20, 108949386), (21, 103761320), (24, 90791155), (26, 83807220), (28, 77820990), (30, 72632924), (35, 62256792), (37, 58891560), (39, 55871480), (40, 54474693), (42, 51880660), (52, 41903610), (56, 38910495), (60, 36316462), (65, 33522888), (70, 31128396), (74, 29445780), (78, 27935740), (84, 25940330), (91, 23944920), (104, 20951805), (105, 20752264), (111, 19630520), (120, 18158231), (130, 16761444), (140, 15564198), (148, 14722890), (156, 13967870), (168, 12970165), (182, 11972460), (185, 11778312), (195, 11174296), (210, 10376132), (222, 9815260), (259, 8413080), (260, 8380722), (273, 7981640), (280, 7782099), (296, 7361445), (312, 6983935), (364, 5986230), (370, 5889156), (390, 5587148), (420, 5188066), (444, 4907630), (455, 4788984), (481, 4530120), (518, 4206540), (520, 4190361), (546, 3990820), (555, 3926104), (728, 2993115), (740, 2944578), (777, 2804360), (780, 2793574), (840, 2594033), (888, 2453815), (910, 2394492), (962, 2265060), (1036, 2103270), (1092, 1995410), (1110, 1963052), (1295, 1682616), (1365, 1596328), (1443, 1510040), (1480, 1472289), (1554, 1402180), (1560, 1396787), (1820, 1197246), (1924, 1132530), (2072, 1051635), (2184, 997705), (2220, 981526), (2405, 906024), (2590, 841308), (2730, 798164), (2886, 755020), (3108, 701090), (3367, 647160), (3640, 598623), (3848, 566265), (3885, 560872), (4440, 490763), (4810, 453012), (5180, 420654), (5393, 404040), (5460, 399082), (5772, 377510), (6216, 350545), (6734, 323580), (7215, 302008), (7770, 280436), (9620, 226506), (10101, 215720), (10360, 210327), (10786, 202020), (10920, 199541), (11544, 188755), (13468, 161790), (14430, 151004), (15540, 140218), (16179, 134680), (16835, 129432), (19240, 113253), (20202, 107860), (21572, 101010), (26936, 80895), (26965, 80808), (28860, 75502), (31080, 70109), (32358, 67340), (33670, 64716), (37751, 57720), (40404, 53930), (43144, 50505)]