1621205760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{13619}}^1$

素因数の和:13674

約数の個数: 144

約数和(自身を含む): 5345141760

約数和(自身を除く): 3723936000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3840, 3968, 4960, 5952, 7440, 7936, 9920, 11904, 13619, 14880, 19840, 23808, 27238, 29760, 39680, 40857, 54476, 59520, 68095, 81714, 108952, 119040, 136190, 163428, 204285, 217904, 272380, 326856, 408570, 422189, 435808, 544760, 653712, 817140, 844378, 871616, 1089520, 1266567, 1307424, 1634280, 1688756, 1743232, 2110945, 2179040, 2533134, 2614848, 3268560, 3377512, 3486464, 4221890, 4358080, 5066268, 5229696, 6332835, 6537120, 6755024, 8443780, 8716160, 10132536, 10459392, 12665670, 13074240, 13510048, 16887560, 17432320, 20265072, 25331340, 26148480, 27020096, 33775120, 40530144, 50662680, 52296960, 54040192, 67550240, 81060288, 101325360, 108080384, 135100480, 162120576, 202650720, 270200960, 324241152, 405301440, 540401920, 810602880, 1621205760]

約数ペア:

[(1, 1621205760), (2, 810602880), (3, 540401920), (4, 405301440), (5, 324241152), (6, 270200960), (8, 202650720), (10, 162120576), (12, 135100480), (15, 108080384), (16, 101325360), (20, 81060288), (24, 67550240), (30, 54040192), (31, 52296960), (32, 50662680), (40, 40530144), (48, 33775120), (60, 27020096), (62, 26148480), (64, 25331340), (80, 20265072), (93, 17432320), (96, 16887560), (120, 13510048), (124, 13074240), (128, 12665670), (155, 10459392), (160, 10132536), (186, 8716160), (192, 8443780), (240, 6755024), (248, 6537120), (256, 6332835), (310, 5229696), (320, 5066268), (372, 4358080), (384, 4221890), (465, 3486464), (480, 3377512), (496, 3268560), (620, 2614848), (640, 2533134), (744, 2179040), (768, 2110945), (930, 1743232), (960, 1688756), (992, 1634280), (1240, 1307424), (1280, 1266567), (1488, 1089520), (1860, 871616), (1920, 844378), (1984, 817140), (2480, 653712), (2976, 544760), (3720, 435808), (3840, 422189), (3968, 408570), (4960, 326856), (5952, 272380), (7440, 217904), (7936, 204285), (9920, 163428), (11904, 136190), (13619, 119040), (14880, 108952), (19840, 81714), (23808, 68095), (27238, 59520), (29760, 54476), (39680, 40857)]