77643360

素因数分解:

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

素因数の和:2027

約数の個数: 144

約数和(自身を含む): 274908816

約数和(自身を除く): 197265456

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, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 1997, 2160, 2430, 2592, 3240, 3888, 3994, 4320, 4860, 5991, 6480, 7776, 7988, 9720, 9985, 11982, 12960, 15976, 17973, 19440, 19970, 23964, 29955, 31952, 35946, 38880, 39940, 47928, 53919, 59910, 63904, 71892, 79880, 89865, 95856, 107838, 119820, 143784, 159760, 161757, 179730, 191712, 215676, 239640, 269595, 287568, 319520, 323514, 359460, 431352, 479280, 485271, 539190, 575136, 647028, 718920, 808785, 862704, 958560, 970542, 1078380, 1294056, 1437840, 1617570, 1725408, 1941084, 2156760, 2426355, 2588112, 2875680, 3235140, 3882168, 4313520, 4852710, 5176224, 6470280, 7764336, 8627040, 9705420, 12940560, 15528672, 19410840, 25881120, 38821680, 77643360]

約数ペア:

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