28386450

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 120

約数和(自身を含む): 81201648

約数和(自身を除く): 52815198

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 43, 45, 50, 54, 75, 81, 86, 90, 129, 135, 150, 162, 163, 215, 225, 258, 270, 326, 387, 405, 430, 450, 489, 645, 675, 774, 810, 815, 978, 1075, 1161, 1290, 1350, 1467, 1630, 1935, 2025, 2150, 2322, 2445, 2934, 3225, 3483, 3870, 4050, 4075, 4401, 4890, 5805, 6450, 6966, 7009, 7335, 8150, 8802, 9675, 11610, 12225, 13203, 14018, 14670, 17415, 19350, 21027, 22005, 24450, 26406, 29025, 34830, 35045, 36675, 42054, 44010, 58050, 63081, 66015, 70090, 73350, 87075, 105135, 110025, 126162, 132030, 174150, 175225, 189243, 210270, 220050, 315405, 330075, 350450, 378486, 525675, 567729, 630810, 660150, 946215, 1051350, 1135458, 1577025, 1892430, 2838645, 3154050, 4731075, 5677290, 9462150, 14193225, 28386450]

約数ペア:

[(1, 28386450), (2, 14193225), (3, 9462150), (5, 5677290), (6, 4731075), (9, 3154050), (10, 2838645), (15, 1892430), (18, 1577025), (25, 1135458), (27, 1051350), (30, 946215), (43, 660150), (45, 630810), (50, 567729), (54, 525675), (75, 378486), (81, 350450), (86, 330075), (90, 315405), (129, 220050), (135, 210270), (150, 189243), (162, 175225), (163, 174150), (215, 132030), (225, 126162), (258, 110025), (270, 105135), (326, 87075), (387, 73350), (405, 70090), (430, 66015), (450, 63081), (489, 58050), (645, 44010), (675, 42054), (774, 36675), (810, 35045), (815, 34830), (978, 29025), (1075, 26406), (1161, 24450), (1290, 22005), (1350, 21027), (1467, 19350), (1630, 17415), (1935, 14670), (2025, 14018), (2150, 13203), (2322, 12225), (2445, 11610), (2934, 9675), (3225, 8802), (3483, 8150), (3870, 7335), (4050, 7009), (4075, 6966), (4401, 6450), (4890, 5805)]