155286720

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2029

約数の個数: 168

約数和(自身を含む): 554181264

約数和(自身を除く): 398894544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 405, 432, 480, 486, 540, 576, 648, 720, 810, 864, 960, 972, 1080, 1215, 1296, 1440, 1620, 1728, 1944, 1997, 2160, 2430, 2592, 2880, 3240, 3888, 3994, 4320, 4860, 5184, 5991, 6480, 7776, 7988, 8640, 9720, 9985, 11982, 12960, 15552, 15976, 17973, 19440, 19970, 23964, 25920, 29955, 31952, 35946, 38880, 39940, 47928, 53919, 59910, 63904, 71892, 77760, 79880, 89865, 95856, 107838, 119820, 127808, 143784, 159760, 161757, 179730, 191712, 215676, 239640, 269595, 287568, 319520, 323514, 359460, 383424, 431352, 479280, 485271, 539190, 575136, 639040, 647028, 718920, 808785, 862704, 958560, 970542, 1078380, 1150272, 1294056, 1437840, 1617570, 1725408, 1917120, 1941084, 2156760, 2426355, 2588112, 2875680, 3235140, 3450816, 3882168, 4313520, 4852710, 5176224, 5751360, 6470280, 7764336, 8627040, 9705420, 10352448, 12940560, 15528672, 17254080, 19410840, 25881120, 31057344, 38821680, 51762240, 77643360, 155286720]

約数ペア:

[(1, 155286720), (2, 77643360), (3, 51762240), (4, 38821680), (5, 31057344), (6, 25881120), (8, 19410840), (9, 17254080), (10, 15528672), (12, 12940560), (15, 10352448), (16, 9705420), (18, 8627040), (20, 7764336), (24, 6470280), (27, 5751360), (30, 5176224), (32, 4852710), (36, 4313520), (40, 3882168), (45, 3450816), (48, 3235140), (54, 2875680), (60, 2588112), (64, 2426355), (72, 2156760), (80, 1941084), (81, 1917120), (90, 1725408), (96, 1617570), (108, 1437840), (120, 1294056), (135, 1150272), (144, 1078380), (160, 970542), (162, 958560), (180, 862704), (192, 808785), (216, 718920), (240, 647028), (243, 639040), (270, 575136), (288, 539190), (320, 485271), (324, 479280), (360, 431352), (405, 383424), (432, 359460), (480, 323514), (486, 319520), (540, 287568), (576, 269595), (648, 239640), (720, 215676), (810, 191712), (864, 179730), (960, 161757), (972, 159760), (1080, 143784), (1215, 127808), (1296, 119820), (1440, 107838), (1620, 95856), (1728, 89865), (1944, 79880), (1997, 77760), (2160, 71892), (2430, 63904), (2592, 59910), (2880, 53919), (3240, 47928), (3888, 39940), (3994, 38880), (4320, 35946), (4860, 31952), (5184, 29955), (5991, 25920), (6480, 23964), (7776, 19970), (7988, 19440), (8640, 17973), (9720, 15976), (9985, 15552), (11982, 12960)]