128935440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1367}}^1$

素因数の和:1517

約数の個数: 120

約数和(自身を含む): 436632768

約数和(自身を除く): 307697328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 240, 262, 360, 393, 524, 655, 720, 786, 1048, 1179, 1310, 1367, 1572, 1965, 2096, 2358, 2620, 2734, 3144, 3930, 4101, 4716, 5240, 5468, 5895, 6288, 6835, 7860, 8202, 9432, 10480, 10936, 11790, 12303, 13670, 15720, 16404, 18864, 20505, 21872, 23580, 24606, 27340, 31440, 32808, 41010, 47160, 49212, 54680, 61515, 65616, 82020, 94320, 98424, 109360, 123030, 164040, 179077, 196848, 246060, 328080, 358154, 492120, 537231, 716308, 895385, 984240, 1074462, 1432616, 1611693, 1790770, 2148924, 2686155, 2865232, 3223386, 3581540, 4297848, 5372310, 6446772, 7163080, 8058465, 8595696, 10744620, 12893544, 14326160, 16116930, 21489240, 25787088, 32233860, 42978480, 64467720, 128935440]

約数ペア:

[(1, 128935440), (2, 64467720), (3, 42978480), (4, 32233860), (5, 25787088), (6, 21489240), (8, 16116930), (9, 14326160), (10, 12893544), (12, 10744620), (15, 8595696), (16, 8058465), (18, 7163080), (20, 6446772), (24, 5372310), (30, 4297848), (36, 3581540), (40, 3223386), (45, 2865232), (48, 2686155), (60, 2148924), (72, 1790770), (80, 1611693), (90, 1432616), (120, 1074462), (131, 984240), (144, 895385), (180, 716308), (240, 537231), (262, 492120), (360, 358154), (393, 328080), (524, 246060), (655, 196848), (720, 179077), (786, 164040), (1048, 123030), (1179, 109360), (1310, 98424), (1367, 94320), (1572, 82020), (1965, 65616), (2096, 61515), (2358, 54680), (2620, 49212), (2734, 47160), (3144, 41010), (3930, 32808), (4101, 31440), (4716, 27340), (5240, 24606), (5468, 23580), (5895, 21872), (6288, 20505), (6835, 18864), (7860, 16404), (8202, 15720), (9432, 13670), (10480, 12303), (10936, 11790)]