1988759040

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{2039}}^1$

素因数の和:2192

約数の個数: 160

約数和(自身を含む): 6411018240

約数和(自身を除く): 4422259200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 512, 635, 640, 762, 768, 960, 1016, 1270, 1280, 1524, 1536, 1905, 1920, 2032, 2039, 2540, 2560, 3048, 3810, 3840, 4064, 4078, 5080, 6096, 6117, 7620, 7680, 8128, 8156, 10160, 10195, 12192, 12234, 15240, 16256, 16312, 20320, 20390, 24384, 24468, 30480, 30585, 32512, 32624, 40640, 40780, 48768, 48936, 60960, 61170, 65024, 65248, 81280, 81560, 97536, 97872, 121920, 122340, 130496, 162560, 163120, 195072, 195744, 243840, 244680, 258953, 260992, 325120, 326240, 391488, 487680, 489360, 517906, 521984, 652480, 776859, 782976, 975360, 978720, 1035812, 1043968, 1294765, 1304960, 1553718, 1565952, 1957440, 2071624, 2589530, 2609920, 3107436, 3131904, 3884295, 3914880, 4143248, 5179060, 5219840, 6214872, 7768590, 7829760, 8286496, 10358120, 12429744, 15537180, 15659520, 16572992, 20716240, 24859488, 31074360, 33145984, 41432480, 49718976, 62148720, 66291968, 82864960, 99437952, 124297440, 132583936, 165729920, 198875904, 248594880, 331459840, 397751808, 497189760, 662919680, 994379520, 1988759040]

約数ペア:

[(1, 1988759040), (2, 994379520), (3, 662919680), (4, 497189760), (5, 397751808), (6, 331459840), (8, 248594880), (10, 198875904), (12, 165729920), (15, 132583936), (16, 124297440), (20, 99437952), (24, 82864960), (30, 66291968), (32, 62148720), (40, 49718976), (48, 41432480), (60, 33145984), (64, 31074360), (80, 24859488), (96, 20716240), (120, 16572992), (127, 15659520), (128, 15537180), (160, 12429744), (192, 10358120), (240, 8286496), (254, 7829760), (256, 7768590), (320, 6214872), (381, 5219840), (384, 5179060), (480, 4143248), (508, 3914880), (512, 3884295), (635, 3131904), (640, 3107436), (762, 2609920), (768, 2589530), (960, 2071624), (1016, 1957440), (1270, 1565952), (1280, 1553718), (1524, 1304960), (1536, 1294765), (1905, 1043968), (1920, 1035812), (2032, 978720), (2039, 975360), (2540, 782976), (2560, 776859), (3048, 652480), (3810, 521984), (3840, 517906), (4064, 489360), (4078, 487680), (5080, 391488), (6096, 326240), (6117, 325120), (7620, 260992), (7680, 258953), (8128, 244680), (8156, 243840), (10160, 195744), (10195, 195072), (12192, 163120), (12234, 162560), (15240, 130496), (16256, 122340), (16312, 121920), (20320, 97872), (20390, 97536), (24384, 81560), (24468, 81280), (30480, 65248), (30585, 65024), (32512, 61170), (32624, 60960), (40640, 48936), (40780, 48768)]