82256640

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:746

約数の個数: 144

約数和(自身を含む): 271574016

約数和(自身を除く): 189317376

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, 691, 744, 768, 930, 960, 992, 1240, 1280, 1382, 1488, 1860, 1920, 1984, 2073, 2480, 2764, 2976, 3455, 3720, 3840, 3968, 4146, 4960, 5528, 5952, 6910, 7440, 7936, 8292, 9920, 10365, 11056, 11904, 13820, 14880, 16584, 19840, 20730, 21421, 22112, 23808, 27640, 29760, 33168, 39680, 41460, 42842, 44224, 55280, 59520, 64263, 66336, 82920, 85684, 88448, 107105, 110560, 119040, 128526, 132672, 165840, 171368, 176896, 214210, 221120, 257052, 265344, 321315, 331680, 342736, 428420, 442240, 514104, 530688, 642630, 663360, 685472, 856840, 884480, 1028208, 1285260, 1326720, 1370944, 1713680, 2056416, 2570520, 2653440, 2741888, 3427360, 4112832, 5141040, 5483776, 6854720, 8225664, 10282080, 13709440, 16451328, 20564160, 27418880, 41128320, 82256640]

約数ペア:

[(1, 82256640), (2, 41128320), (3, 27418880), (4, 20564160), (5, 16451328), (6, 13709440), (8, 10282080), (10, 8225664), (12, 6854720), (15, 5483776), (16, 5141040), (20, 4112832), (24, 3427360), (30, 2741888), (31, 2653440), (32, 2570520), (40, 2056416), (48, 1713680), (60, 1370944), (62, 1326720), (64, 1285260), (80, 1028208), (93, 884480), (96, 856840), (120, 685472), (124, 663360), (128, 642630), (155, 530688), (160, 514104), (186, 442240), (192, 428420), (240, 342736), (248, 331680), (256, 321315), (310, 265344), (320, 257052), (372, 221120), (384, 214210), (465, 176896), (480, 171368), (496, 165840), (620, 132672), (640, 128526), (691, 119040), (744, 110560), (768, 107105), (930, 88448), (960, 85684), (992, 82920), (1240, 66336), (1280, 64263), (1382, 59520), (1488, 55280), (1860, 44224), (1920, 42842), (1984, 41460), (2073, 39680), (2480, 33168), (2764, 29760), (2976, 27640), (3455, 23808), (3720, 22112), (3840, 21421), (3968, 20730), (4146, 19840), (4960, 16584), (5528, 14880), (5952, 13820), (6910, 11904), (7440, 11056), (7936, 10365), (8292, 9920)]