90481320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 303840000

約数和(自身を除く): 213358680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 199, 216, 270, 360, 398, 421, 540, 597, 796, 842, 995, 1080, 1194, 1263, 1592, 1684, 1791, 1990, 2105, 2388, 2526, 2985, 3368, 3582, 3789, 3980, 4210, 4776, 5052, 5373, 5970, 6315, 7164, 7578, 7960, 8420, 8955, 10104, 10746, 11367, 11940, 12630, 14328, 15156, 16840, 17910, 18945, 21492, 22734, 23880, 25260, 26865, 30312, 35820, 37890, 42984, 45468, 50520, 53730, 56835, 71640, 75780, 83779, 90936, 107460, 113670, 151560, 167558, 214920, 227340, 251337, 335116, 418895, 454680, 502674, 670232, 754011, 837790, 1005348, 1256685, 1508022, 1675580, 2010696, 2262033, 2513370, 3016044, 3351160, 3770055, 4524066, 5026740, 6032088, 7540110, 9048132, 10053480, 11310165, 15080220, 18096264, 22620330, 30160440, 45240660, 90481320]

約数ペア:

[(1, 90481320), (2, 45240660), (3, 30160440), (4, 22620330), (5, 18096264), (6, 15080220), (8, 11310165), (9, 10053480), (10, 9048132), (12, 7540110), (15, 6032088), (18, 5026740), (20, 4524066), (24, 3770055), (27, 3351160), (30, 3016044), (36, 2513370), (40, 2262033), (45, 2010696), (54, 1675580), (60, 1508022), (72, 1256685), (90, 1005348), (108, 837790), (120, 754011), (135, 670232), (180, 502674), (199, 454680), (216, 418895), (270, 335116), (360, 251337), (398, 227340), (421, 214920), (540, 167558), (597, 151560), (796, 113670), (842, 107460), (995, 90936), (1080, 83779), (1194, 75780), (1263, 71640), (1592, 56835), (1684, 53730), (1791, 50520), (1990, 45468), (2105, 42984), (2388, 37890), (2526, 35820), (2985, 30312), (3368, 26865), (3582, 25260), (3789, 23880), (3980, 22734), (4210, 21492), (4776, 18945), (5052, 17910), (5373, 16840), (5970, 15156), (6315, 14328), (7164, 12630), (7578, 11940), (7960, 11367), (8420, 10746), (8955, 10104)]