128616240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1279}}^1$

素因数の和:1714

約数の個数: 80

約数和(自身を含む): 399974400

約数和(自身を除く): 271358160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 419, 838, 1257, 1279, 1676, 2095, 2514, 2558, 3352, 3837, 4190, 5028, 5116, 6285, 6395, 6704, 7674, 8380, 10056, 10232, 12570, 12790, 15348, 16760, 19185, 20112, 20464, 25140, 25580, 30696, 33520, 38370, 50280, 51160, 61392, 76740, 100560, 102320, 153480, 306960, 535901, 1071802, 1607703, 2143604, 2679505, 3215406, 4287208, 5359010, 6430812, 8038515, 8574416, 10718020, 12861624, 16077030, 21436040, 25723248, 32154060, 42872080, 64308120, 128616240]

約数ペア:

[(1, 128616240), (2, 64308120), (3, 42872080), (4, 32154060), (5, 25723248), (6, 21436040), (8, 16077030), (10, 12861624), (12, 10718020), (15, 8574416), (16, 8038515), (20, 6430812), (24, 5359010), (30, 4287208), (40, 3215406), (48, 2679505), (60, 2143604), (80, 1607703), (120, 1071802), (240, 535901), (419, 306960), (838, 153480), (1257, 102320), (1279, 100560), (1676, 76740), (2095, 61392), (2514, 51160), (2558, 50280), (3352, 38370), (3837, 33520), (4190, 30696), (5028, 25580), (5116, 25140), (6285, 20464), (6395, 20112), (6704, 19185), (7674, 16760), (8380, 15348), (10056, 12790), (10232, 12570)]