312159960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:447

約数の個数: 256

約数和(自身を含む): 1201305600

約数和(自身を除く): 889145640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 157, 168, 180, 189, 210, 216, 252, 263, 270, 280, 314, 315, 360, 378, 420, 471, 504, 526, 540, 628, 630, 756, 785, 789, 840, 942, 945, 1052, 1080, 1099, 1256, 1260, 1315, 1413, 1512, 1570, 1578, 1841, 1884, 1890, 2104, 2198, 2355, 2367, 2520, 2630, 2826, 3140, 3156, 3297, 3682, 3768, 3780, 3945, 4239, 4396, 4710, 4734, 5260, 5495, 5523, 5652, 6280, 6312, 6594, 7065, 7101, 7364, 7560, 7890, 8478, 8792, 9205, 9420, 9468, 9891, 10520, 10990, 11046, 11304, 11835, 13188, 14130, 14202, 14728, 15780, 16485, 16569, 16956, 18410, 18840, 18936, 19782, 21195, 21980, 22092, 23670, 26376, 27615, 28260, 28404, 29673, 31560, 32970, 33138, 33912, 35505, 36820, 39564, 41291, 42390, 43960, 44184, 47340, 49455, 49707, 55230, 56520, 56808, 59346, 65940, 66276, 71010, 73640, 79128, 82582, 82845, 84780, 94680, 98910, 99414, 110460, 118692, 123873, 131880, 132552, 142020, 148365, 165164, 165690, 169560, 197820, 198828, 206455, 220920, 237384, 247746, 248535, 284040, 289037, 296730, 330328, 331380, 371619, 395640, 397656, 412910, 495492, 497070, 578074, 593460, 619365, 662760, 743238, 825820, 867111, 990984, 994140, 1114857, 1156148, 1186920, 1238730, 1445185, 1486476, 1651640, 1734222, 1858095, 1988280, 2229714, 2312296, 2477460, 2601333, 2890370, 2972952, 3468444, 3716190, 4335555, 4459428, 4954920, 5202666, 5574285, 5780740, 6936888, 7432380, 7803999, 8671110, 8918856, 10405332, 11148570, 11561480, 13006665, 14864760, 15607998, 17342220, 20810664, 22297140, 26013330, 31215996, 34684440, 39019995, 44594280, 52026660, 62431992, 78039990, 104053320, 156079980, 312159960]

約数ペア:

[(1, 312159960), (2, 156079980), (3, 104053320), (4, 78039990), (5, 62431992), (6, 52026660), (7, 44594280), (8, 39019995), (9, 34684440), (10, 31215996), (12, 26013330), (14, 22297140), (15, 20810664), (18, 17342220), (20, 15607998), (21, 14864760), (24, 13006665), (27, 11561480), (28, 11148570), (30, 10405332), (35, 8918856), (36, 8671110), (40, 7803999), (42, 7432380), (45, 6936888), (54, 5780740), (56, 5574285), (60, 5202666), (63, 4954920), (70, 4459428), (72, 4335555), (84, 3716190), (90, 3468444), (105, 2972952), (108, 2890370), (120, 2601333), (126, 2477460), (135, 2312296), (140, 2229714), (157, 1988280), (168, 1858095), (180, 1734222), (189, 1651640), (210, 1486476), (216, 1445185), (252, 1238730), (263, 1186920), (270, 1156148), (280, 1114857), (314, 994140), (315, 990984), (360, 867111), (378, 825820), (420, 743238), (471, 662760), (504, 619365), (526, 593460), (540, 578074), (628, 497070), (630, 495492), (756, 412910), (785, 397656), (789, 395640), (840, 371619), (942, 331380), (945, 330328), (1052, 296730), (1080, 289037), (1099, 284040), (1256, 248535), (1260, 247746), (1315, 237384), (1413, 220920), (1512, 206455), (1570, 198828), (1578, 197820), (1841, 169560), (1884, 165690), (1890, 165164), (2104, 148365), (2198, 142020), (2355, 132552), (2367, 131880), (2520, 123873), (2630, 118692), (2826, 110460), (3140, 99414), (3156, 98910), (3297, 94680), (3682, 84780), (3768, 82845), (3780, 82582), (3945, 79128), (4239, 73640), (4396, 71010), (4710, 66276), (4734, 65940), (5260, 59346), (5495, 56808), (5523, 56520), (5652, 55230), (6280, 49707), (6312, 49455), (6594, 47340), (7065, 44184), (7101, 43960), (7364, 42390), (7560, 41291), (7890, 39564), (8478, 36820), (8792, 35505), (9205, 33912), (9420, 33138), (9468, 32970), (9891, 31560), (10520, 29673), (10990, 28404), (11046, 28260), (11304, 27615), (11835, 26376), (13188, 23670), (14130, 22092), (14202, 21980), (14728, 21195), (15780, 19782), (16485, 18936), (16569, 18840), (16956, 18410)]