821137920

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3449}}^1$

素因数の和:3506

約数の個数: 160

約数和(自身を含む): 2710540800

約数和(自身を除く): 1889402880

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, 512, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1536, 1860, 1920, 1984, 2480, 2560, 2976, 3449, 3720, 3840, 3968, 4960, 5952, 6898, 7440, 7680, 7936, 9920, 10347, 11904, 13796, 14880, 15872, 17245, 19840, 20694, 23808, 27592, 29760, 34490, 39680, 41388, 47616, 51735, 55184, 59520, 68980, 79360, 82776, 103470, 106919, 110368, 119040, 137960, 165552, 206940, 213838, 220736, 238080, 275920, 320757, 331104, 413880, 427676, 441472, 534595, 551840, 641514, 662208, 827760, 855352, 882944, 1069190, 1103680, 1283028, 1324416, 1603785, 1655520, 1710704, 1765888, 2138380, 2207360, 2566056, 2648832, 3207570, 3311040, 3421408, 4276760, 4414720, 5132112, 5297664, 6415140, 6622080, 6842816, 8553520, 8829440, 10264224, 12830280, 13244160, 13685632, 17107040, 20528448, 25660560, 26488320, 27371264, 34214080, 41056896, 51321120, 54742528, 68428160, 82113792, 102642240, 136856320, 164227584, 205284480, 273712640, 410568960, 821137920]

約数ペア:

[(1, 821137920), (2, 410568960), (3, 273712640), (4, 205284480), (5, 164227584), (6, 136856320), (8, 102642240), (10, 82113792), (12, 68428160), (15, 54742528), (16, 51321120), (20, 41056896), (24, 34214080), (30, 27371264), (31, 26488320), (32, 25660560), (40, 20528448), (48, 17107040), (60, 13685632), (62, 13244160), (64, 12830280), (80, 10264224), (93, 8829440), (96, 8553520), (120, 6842816), (124, 6622080), (128, 6415140), (155, 5297664), (160, 5132112), (186, 4414720), (192, 4276760), (240, 3421408), (248, 3311040), (256, 3207570), (310, 2648832), (320, 2566056), (372, 2207360), (384, 2138380), (465, 1765888), (480, 1710704), (496, 1655520), (512, 1603785), (620, 1324416), (640, 1283028), (744, 1103680), (768, 1069190), (930, 882944), (960, 855352), (992, 827760), (1240, 662208), (1280, 641514), (1488, 551840), (1536, 534595), (1860, 441472), (1920, 427676), (1984, 413880), (2480, 331104), (2560, 320757), (2976, 275920), (3449, 238080), (3720, 220736), (3840, 213838), (3968, 206940), (4960, 165552), (5952, 137960), (6898, 119040), (7440, 110368), (7680, 106919), (7936, 103470), (9920, 82776), (10347, 79360), (11904, 68980), (13796, 59520), (14880, 55184), (15872, 51735), (17245, 47616), (19840, 41388), (20694, 39680), (23808, 34490), (27592, 29760)]