1821149760

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:501

約数の個数: 224

約数和(自身を含む): 5975494272

約数和(自身を除く): 4154344512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 157, 160, 172, 192, 215, 240, 258, 281, 314, 320, 344, 430, 471, 480, 516, 562, 628, 645, 688, 785, 843, 860, 942, 960, 1032, 1124, 1256, 1290, 1376, 1405, 1570, 1686, 1720, 1884, 2064, 2248, 2355, 2512, 2580, 2752, 2810, 3140, 3372, 3440, 3768, 4128, 4215, 4496, 4710, 5024, 5160, 5620, 6280, 6744, 6751, 6880, 7536, 8256, 8430, 8992, 9420, 10048, 10320, 11240, 12083, 12560, 13488, 13502, 13760, 15072, 16860, 17984, 18840, 20253, 20640, 22480, 24166, 25120, 26976, 27004, 30144, 33720, 33755, 36249, 37680, 40506, 41280, 44117, 44960, 48332, 50240, 53952, 54008, 60415, 67440, 67510, 72498, 75360, 81012, 88234, 89920, 96664, 101265, 108016, 120830, 132351, 134880, 135020, 144996, 150720, 162024, 176468, 181245, 193328, 202530, 216032, 220585, 241660, 264702, 269760, 270040, 289992, 324048, 352936, 362490, 386656, 405060, 432064, 441170, 483320, 529404, 540080, 579984, 648096, 661755, 705872, 724980, 773312, 810120, 882340, 966640, 1058808, 1080160, 1159968, 1296192, 1323510, 1411744, 1449960, 1620240, 1764680, 1897031, 1933280, 2117616, 2160320, 2319936, 2647020, 2823488, 2899920, 3240480, 3529360, 3794062, 3866560, 4235232, 5294040, 5691093, 5799840, 6480960, 7058720, 7588124, 8470464, 9485155, 10588080, 11382186, 11599680, 14117440, 15176248, 18970310, 21176160, 22764372, 28455465, 30352496, 37940620, 42352320, 45528744, 56910930, 60704992, 75881240, 91057488, 113821860, 121409984, 151762480, 182114976, 227643720, 303524960, 364229952, 455287440, 607049920, 910574880, 1821149760]

約数ペア:

[(1, 1821149760), (2, 910574880), (3, 607049920), (4, 455287440), (5, 364229952), (6, 303524960), (8, 227643720), (10, 182114976), (12, 151762480), (15, 121409984), (16, 113821860), (20, 91057488), (24, 75881240), (30, 60704992), (32, 56910930), (40, 45528744), (43, 42352320), (48, 37940620), (60, 30352496), (64, 28455465), (80, 22764372), (86, 21176160), (96, 18970310), (120, 15176248), (129, 14117440), (157, 11599680), (160, 11382186), (172, 10588080), (192, 9485155), (215, 8470464), (240, 7588124), (258, 7058720), (281, 6480960), (314, 5799840), (320, 5691093), (344, 5294040), (430, 4235232), (471, 3866560), (480, 3794062), (516, 3529360), (562, 3240480), (628, 2899920), (645, 2823488), (688, 2647020), (785, 2319936), (843, 2160320), (860, 2117616), (942, 1933280), (960, 1897031), (1032, 1764680), (1124, 1620240), (1256, 1449960), (1290, 1411744), (1376, 1323510), (1405, 1296192), (1570, 1159968), (1686, 1080160), (1720, 1058808), (1884, 966640), (2064, 882340), (2248, 810120), (2355, 773312), (2512, 724980), (2580, 705872), (2752, 661755), (2810, 648096), (3140, 579984), (3372, 540080), (3440, 529404), (3768, 483320), (4128, 441170), (4215, 432064), (4496, 405060), (4710, 386656), (5024, 362490), (5160, 352936), (5620, 324048), (6280, 289992), (6744, 270040), (6751, 269760), (6880, 264702), (7536, 241660), (8256, 220585), (8430, 216032), (8992, 202530), (9420, 193328), (10048, 181245), (10320, 176468), (11240, 162024), (12083, 150720), (12560, 144996), (13488, 135020), (13502, 134880), (13760, 132351), (15072, 120830), (16860, 108016), (17984, 101265), (18840, 96664), (20253, 89920), (20640, 88234), (22480, 81012), (24166, 75360), (25120, 72498), (26976, 67510), (27004, 67440), (30144, 60415), (33720, 54008), (33755, 53952), (36249, 50240), (37680, 48332), (40506, 44960), (41280, 44117)]