1261427760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:496

約数の個数: 240

約数和(自身を含む): 4367101440

約数和(自身を除く): 3105673680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 67, 72, 79, 80, 90, 120, 134, 144, 158, 180, 201, 237, 240, 268, 316, 331, 335, 360, 395, 402, 474, 536, 603, 632, 662, 670, 711, 720, 790, 804, 948, 993, 1005, 1072, 1185, 1206, 1264, 1324, 1340, 1422, 1580, 1608, 1655, 1896, 1986, 2010, 2370, 2412, 2648, 2680, 2844, 2979, 3015, 3160, 3216, 3310, 3555, 3792, 3972, 4020, 4740, 4824, 4965, 5293, 5296, 5360, 5688, 5958, 6030, 6320, 6620, 7110, 7944, 8040, 9480, 9648, 9930, 10586, 11376, 11916, 12060, 13240, 14220, 14895, 15879, 15888, 16080, 18960, 19860, 21172, 22177, 23832, 24120, 26149, 26465, 26480, 28440, 29790, 31758, 39720, 42344, 44354, 47637, 47664, 48240, 52298, 52930, 56880, 59580, 63516, 66531, 78447, 79395, 79440, 84688, 88708, 95274, 104596, 105860, 110885, 119160, 127032, 130745, 133062, 156894, 158790, 177416, 190548, 199593, 209192, 211720, 221770, 235341, 238185, 238320, 254064, 261490, 266124, 313788, 317580, 332655, 354832, 381096, 392235, 399186, 418384, 423440, 443540, 470682, 476370, 522980, 532248, 627576, 635160, 665310, 762192, 784470, 798372, 887080, 941364, 952740, 997965, 1045960, 1064496, 1176705, 1255152, 1270320, 1330620, 1568940, 1596744, 1751983, 1774160, 1882728, 1905480, 1995930, 2091920, 2353410, 2661240, 3137880, 3193488, 3503966, 3765456, 3810960, 3991860, 4706820, 5255949, 5322480, 6275760, 7007932, 7983720, 8759915, 9413640, 10511898, 14015864, 15767847, 15967440, 17519830, 18827280, 21023796, 26279745, 28031728, 31535694, 35039660, 42047592, 52559490, 63071388, 70079320, 78839235, 84095184, 105118980, 126142776, 140158640, 157678470, 210237960, 252285552, 315356940, 420475920, 630713880, 1261427760]

約数ペア:

[(1, 1261427760), (2, 630713880), (3, 420475920), (4, 315356940), (5, 252285552), (6, 210237960), (8, 157678470), (9, 140158640), (10, 126142776), (12, 105118980), (15, 84095184), (16, 78839235), (18, 70079320), (20, 63071388), (24, 52559490), (30, 42047592), (36, 35039660), (40, 31535694), (45, 28031728), (48, 26279745), (60, 21023796), (67, 18827280), (72, 17519830), (79, 15967440), (80, 15767847), (90, 14015864), (120, 10511898), (134, 9413640), (144, 8759915), (158, 7983720), (180, 7007932), (201, 6275760), (237, 5322480), (240, 5255949), (268, 4706820), (316, 3991860), (331, 3810960), (335, 3765456), (360, 3503966), (395, 3193488), (402, 3137880), (474, 2661240), (536, 2353410), (603, 2091920), (632, 1995930), (662, 1905480), (670, 1882728), (711, 1774160), (720, 1751983), (790, 1596744), (804, 1568940), (948, 1330620), (993, 1270320), (1005, 1255152), (1072, 1176705), (1185, 1064496), (1206, 1045960), (1264, 997965), (1324, 952740), (1340, 941364), (1422, 887080), (1580, 798372), (1608, 784470), (1655, 762192), (1896, 665310), (1986, 635160), (2010, 627576), (2370, 532248), (2412, 522980), (2648, 476370), (2680, 470682), (2844, 443540), (2979, 423440), (3015, 418384), (3160, 399186), (3216, 392235), (3310, 381096), (3555, 354832), (3792, 332655), (3972, 317580), (4020, 313788), (4740, 266124), (4824, 261490), (4965, 254064), (5293, 238320), (5296, 238185), (5360, 235341), (5688, 221770), (5958, 211720), (6030, 209192), (6320, 199593), (6620, 190548), (7110, 177416), (7944, 158790), (8040, 156894), (9480, 133062), (9648, 130745), (9930, 127032), (10586, 119160), (11376, 110885), (11916, 105860), (12060, 104596), (13240, 95274), (14220, 88708), (14895, 84688), (15879, 79440), (15888, 79395), (16080, 78447), (18960, 66531), (19860, 63516), (21172, 59580), (22177, 56880), (23832, 52930), (24120, 52298), (26149, 48240), (26465, 47664), (26480, 47637), (28440, 44354), (29790, 42344), (31758, 39720)]