821997120

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{122321}}^1$

素因数の和:122348

約数の個数: 112

約数和(自身を含む): 2982699648

約数和(自身を除く): 2160702528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3360, 6720, 122321, 244642, 366963, 489284, 611605, 733926, 856247, 978568, 1223210, 1467852, 1712494, 1834815, 1957136, 2446420, 2568741, 2935704, 3424988, 3669630, 3914272, 4281235, 4892840, 5137482, 5871408, 6849976, 7339260, 7828544, 8562470, 9785680, 10274964, 11742816, 12843705, 13699952, 14678520, 17124940, 19571360, 20549928, 23485632, 25687410, 27399904, 29357040, 34249880, 39142720, 41099856, 51374820, 54799808, 58714080, 68499760, 82199712, 102749640, 117428160, 136999520, 164399424, 205499280, 273999040, 410998560, 821997120]

約数ペア:

[(1, 821997120), (2, 410998560), (3, 273999040), (4, 205499280), (5, 164399424), (6, 136999520), (7, 117428160), (8, 102749640), (10, 82199712), (12, 68499760), (14, 58714080), (15, 54799808), (16, 51374820), (20, 41099856), (21, 39142720), (24, 34249880), (28, 29357040), (30, 27399904), (32, 25687410), (35, 23485632), (40, 20549928), (42, 19571360), (48, 17124940), (56, 14678520), (60, 13699952), (64, 12843705), (70, 11742816), (80, 10274964), (84, 9785680), (96, 8562470), (105, 7828544), (112, 7339260), (120, 6849976), (140, 5871408), (160, 5137482), (168, 4892840), (192, 4281235), (210, 3914272), (224, 3669630), (240, 3424988), (280, 2935704), (320, 2568741), (336, 2446420), (420, 1957136), (448, 1834815), (480, 1712494), (560, 1467852), (672, 1223210), (840, 978568), (960, 856247), (1120, 733926), (1344, 611605), (1680, 489284), (2240, 366963), (3360, 244642), (6720, 122321)]