31783680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 216

約数和(自身を含む): 114791040

約数和(自身を除く): 83007360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 89, 90, 93, 96, 120, 124, 128, 144, 155, 160, 178, 180, 186, 192, 240, 248, 256, 267, 279, 288, 310, 320, 356, 360, 372, 384, 445, 465, 480, 496, 534, 558, 576, 620, 640, 712, 720, 744, 768, 801, 890, 930, 960, 992, 1068, 1116, 1152, 1240, 1280, 1335, 1395, 1424, 1440, 1488, 1602, 1780, 1860, 1920, 1984, 2136, 2232, 2304, 2480, 2670, 2759, 2790, 2848, 2880, 2976, 3204, 3560, 3720, 3840, 3968, 4005, 4272, 4464, 4960, 5340, 5518, 5580, 5696, 5760, 5952, 6408, 7120, 7440, 7936, 8010, 8277, 8544, 8928, 9920, 10680, 11036, 11160, 11392, 11520, 11904, 12816, 13795, 14240, 14880, 16020, 16554, 17088, 17856, 19840, 21360, 22072, 22320, 22784, 23808, 24831, 25632, 27590, 28480, 29760, 32040, 33108, 34176, 35712, 39680, 41385, 42720, 44144, 44640, 49662, 51264, 55180, 56960, 59520, 64080, 66216, 68352, 71424, 82770, 85440, 88288, 89280, 99324, 102528, 110360, 113920, 119040, 124155, 128160, 132432, 165540, 170880, 176576, 178560, 198648, 205056, 220720, 248310, 256320, 264864, 331080, 341760, 353152, 357120, 397296, 441440, 496620, 512640, 529728, 662160, 706304, 794592, 882880, 993240, 1025280, 1059456, 1324320, 1589184, 1765760, 1986480, 2118912, 2648640, 3178368, 3531520, 3972960, 5297280, 6356736, 7945920, 10594560, 15891840, 31783680]

約数ペア:

[(1, 31783680), (2, 15891840), (3, 10594560), (4, 7945920), (5, 6356736), (6, 5297280), (8, 3972960), (9, 3531520), (10, 3178368), (12, 2648640), (15, 2118912), (16, 1986480), (18, 1765760), (20, 1589184), (24, 1324320), (30, 1059456), (31, 1025280), (32, 993240), (36, 882880), (40, 794592), (45, 706304), (48, 662160), (60, 529728), (62, 512640), (64, 496620), (72, 441440), (80, 397296), (89, 357120), (90, 353152), (93, 341760), (96, 331080), (120, 264864), (124, 256320), (128, 248310), (144, 220720), (155, 205056), (160, 198648), (178, 178560), (180, 176576), (186, 170880), (192, 165540), (240, 132432), (248, 128160), (256, 124155), (267, 119040), (279, 113920), (288, 110360), (310, 102528), (320, 99324), (356, 89280), (360, 88288), (372, 85440), (384, 82770), (445, 71424), (465, 68352), (480, 66216), (496, 64080), (534, 59520), (558, 56960), (576, 55180), (620, 51264), (640, 49662), (712, 44640), (720, 44144), (744, 42720), (768, 41385), (801, 39680), (890, 35712), (930, 34176), (960, 33108), (992, 32040), (1068, 29760), (1116, 28480), (1152, 27590), (1240, 25632), (1280, 24831), (1335, 23808), (1395, 22784), (1424, 22320), (1440, 22072), (1488, 21360), (1602, 19840), (1780, 17856), (1860, 17088), (1920, 16554), (1984, 16020), (2136, 14880), (2232, 14240), (2304, 13795), (2480, 12816), (2670, 11904), (2759, 11520), (2790, 11392), (2848, 11160), (2880, 11036), (2976, 10680), (3204, 9920), (3560, 8928), (3720, 8544), (3840, 8277), (3968, 8010), (4005, 7936), (4272, 7440), (4464, 7120), (4960, 6408), (5340, 5952), (5518, 5760), (5580, 5696)]