261476320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:513

約数の個数: 192

約数和(自身を含む): 773369856

約数和(自身を除く): 511893536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 32, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 160, 170, 217, 224, 238, 248, 272, 280, 310, 340, 434, 443, 476, 496, 527, 544, 560, 595, 620, 680, 868, 886, 952, 992, 1054, 1085, 1120, 1190, 1240, 1360, 1736, 1772, 1904, 2108, 2170, 2215, 2380, 2480, 2635, 2720, 3101, 3472, 3544, 3689, 3808, 4216, 4340, 4430, 4760, 4960, 5270, 6202, 6944, 7088, 7378, 7531, 8432, 8680, 8860, 9520, 10540, 12404, 13733, 14176, 14756, 15062, 15505, 16864, 17360, 17720, 18445, 19040, 21080, 24808, 27466, 29512, 30124, 31010, 34720, 35440, 36890, 37655, 42160, 49616, 52717, 54932, 59024, 60248, 62020, 68665, 70880, 73780, 75310, 84320, 96131, 99232, 105434, 109864, 118048, 120496, 124040, 137330, 147560, 150620, 192262, 210868, 219728, 233461, 240992, 248080, 263585, 274660, 295120, 301240, 384524, 421736, 439456, 466922, 480655, 496160, 527170, 549320, 590240, 602480, 769048, 843472, 933844, 961310, 1054340, 1098640, 1167305, 1204960, 1538096, 1634227, 1686944, 1867688, 1922620, 2108680, 2197280, 2334610, 3076192, 3268454, 3735376, 3845240, 4217360, 4669220, 6536908, 7470752, 7690480, 8171135, 8434720, 9338440, 13073816, 15380960, 16342270, 18676880, 26147632, 32684540, 37353760, 52295264, 65369080, 130738160, 261476320]

約数ペア:

[(1, 261476320), (2, 130738160), (4, 65369080), (5, 52295264), (7, 37353760), (8, 32684540), (10, 26147632), (14, 18676880), (16, 16342270), (17, 15380960), (20, 13073816), (28, 9338440), (31, 8434720), (32, 8171135), (34, 7690480), (35, 7470752), (40, 6536908), (56, 4669220), (62, 4217360), (68, 3845240), (70, 3735376), (80, 3268454), (85, 3076192), (112, 2334610), (119, 2197280), (124, 2108680), (136, 1922620), (140, 1867688), (155, 1686944), (160, 1634227), (170, 1538096), (217, 1204960), (224, 1167305), (238, 1098640), (248, 1054340), (272, 961310), (280, 933844), (310, 843472), (340, 769048), (434, 602480), (443, 590240), (476, 549320), (496, 527170), (527, 496160), (544, 480655), (560, 466922), (595, 439456), (620, 421736), (680, 384524), (868, 301240), (886, 295120), (952, 274660), (992, 263585), (1054, 248080), (1085, 240992), (1120, 233461), (1190, 219728), (1240, 210868), (1360, 192262), (1736, 150620), (1772, 147560), (1904, 137330), (2108, 124040), (2170, 120496), (2215, 118048), (2380, 109864), (2480, 105434), (2635, 99232), (2720, 96131), (3101, 84320), (3472, 75310), (3544, 73780), (3689, 70880), (3808, 68665), (4216, 62020), (4340, 60248), (4430, 59024), (4760, 54932), (4960, 52717), (5270, 49616), (6202, 42160), (6944, 37655), (7088, 36890), (7378, 35440), (7531, 34720), (8432, 31010), (8680, 30124), (8860, 29512), (9520, 27466), (10540, 24808), (12404, 21080), (13733, 19040), (14176, 18445), (14756, 17720), (15062, 17360), (15505, 16864)]