90640890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{863}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 242611200

約数和(自身を除く): 151970310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 389, 778, 863, 1167, 1726, 1945, 2334, 2589, 3501, 3890, 4315, 5178, 5835, 7002, 7767, 8630, 10503, 11670, 12945, 15534, 17505, 21006, 23301, 25890, 35010, 38835, 46602, 52515, 77670, 105030, 116505, 233010, 335707, 671414, 1007121, 1678535, 2014242, 3021363, 3357070, 5035605, 6042726, 9064089, 10071210, 15106815, 18128178, 30213630, 45320445, 90640890]

約数ペア:

[(1, 90640890), (2, 45320445), (3, 30213630), (5, 18128178), (6, 15106815), (9, 10071210), (10, 9064089), (15, 6042726), (18, 5035605), (27, 3357070), (30, 3021363), (45, 2014242), (54, 1678535), (90, 1007121), (135, 671414), (270, 335707), (389, 233010), (778, 116505), (863, 105030), (1167, 77670), (1726, 52515), (1945, 46602), (2334, 38835), (2589, 35010), (3501, 25890), (3890, 23301), (4315, 21006), (5178, 17505), (5835, 15534), (7002, 12945), (7767, 11670), (8630, 10503)]