81412800

素因数分解:

$2^6\times 3^1\times 5^2\times 7^1\times {\mathrm{2423}}^1$

素因数の和:2455

約数の個数: 168

約数和(自身を含む): 305385216

約数和(自身を除く): 223972416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 280, 300, 320, 336, 350, 400, 420, 448, 480, 525, 560, 600, 672, 700, 800, 840, 960, 1050, 1120, 1200, 1344, 1400, 1600, 1680, 2100, 2240, 2400, 2423, 2800, 3360, 4200, 4800, 4846, 5600, 6720, 7269, 8400, 9692, 11200, 12115, 14538, 16800, 16961, 19384, 24230, 29076, 33600, 33922, 36345, 38768, 48460, 50883, 58152, 60575, 67844, 72690, 77536, 84805, 96920, 101766, 116304, 121150, 135688, 145380, 155072, 169610, 181725, 193840, 203532, 232608, 242300, 254415, 271376, 290760, 339220, 363450, 387680, 407064, 424025, 465216, 484600, 508830, 542752, 581520, 678440, 726900, 775360, 814128, 848050, 969200, 1017660, 1085504, 1163040, 1272075, 1356880, 1453800, 1628256, 1696100, 1938400, 2035320, 2326080, 2544150, 2713760, 2907600, 3256512, 3392200, 3876800, 4070640, 5088300, 5427520, 5815200, 6784400, 8141280, 10176600, 11630400, 13568800, 16282560, 20353200, 27137600, 40706400, 81412800]

約数ペア:

[(1, 81412800), (2, 40706400), (3, 27137600), (4, 20353200), (5, 16282560), (6, 13568800), (7, 11630400), (8, 10176600), (10, 8141280), (12, 6784400), (14, 5815200), (15, 5427520), (16, 5088300), (20, 4070640), (21, 3876800), (24, 3392200), (25, 3256512), (28, 2907600), (30, 2713760), (32, 2544150), (35, 2326080), (40, 2035320), (42, 1938400), (48, 1696100), (50, 1628256), (56, 1453800), (60, 1356880), (64, 1272075), (70, 1163040), (75, 1085504), (80, 1017660), (84, 969200), (96, 848050), (100, 814128), (105, 775360), (112, 726900), (120, 678440), (140, 581520), (150, 542752), (160, 508830), (168, 484600), (175, 465216), (192, 424025), (200, 407064), (210, 387680), (224, 363450), (240, 339220), (280, 290760), (300, 271376), (320, 254415), (336, 242300), (350, 232608), (400, 203532), (420, 193840), (448, 181725), (480, 169610), (525, 155072), (560, 145380), (600, 135688), (672, 121150), (700, 116304), (800, 101766), (840, 96920), (960, 84805), (1050, 77536), (1120, 72690), (1200, 67844), (1344, 60575), (1400, 58152), (1600, 50883), (1680, 48460), (2100, 38768), (2240, 36345), (2400, 33922), (2423, 33600), (2800, 29076), (3360, 24230), (4200, 19384), (4800, 16961), (4846, 16800), (5600, 14538), (6720, 12115), (7269, 11200), (8400, 9692)]