128362640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4877}}^1$

素因数の和:4944

約数の個数: 80

約数和(自身を含む): 348406272

約数和(自身を除く): 220043632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2632, 3290, 3760, 4877, 5264, 6580, 9754, 13160, 19508, 24385, 26320, 34139, 39016, 48770, 68278, 78032, 97540, 136556, 170695, 195080, 229219, 273112, 341390, 390160, 458438, 546224, 682780, 916876, 1146095, 1365560, 1604533, 1833752, 2292190, 2731120, 3209066, 3667504, 4584380, 6418132, 8022665, 9168760, 12836264, 16045330, 18337520, 25672528, 32090660, 64181320, 128362640]

約数ペア:

[(1, 128362640), (2, 64181320), (4, 32090660), (5, 25672528), (7, 18337520), (8, 16045330), (10, 12836264), (14, 9168760), (16, 8022665), (20, 6418132), (28, 4584380), (35, 3667504), (40, 3209066), (47, 2731120), (56, 2292190), (70, 1833752), (80, 1604533), (94, 1365560), (112, 1146095), (140, 916876), (188, 682780), (235, 546224), (280, 458438), (329, 390160), (376, 341390), (470, 273112), (560, 229219), (658, 195080), (752, 170695), (940, 136556), (1316, 97540), (1645, 78032), (1880, 68278), (2632, 48770), (3290, 39016), (3760, 34139), (4877, 26320), (5264, 24385), (6580, 19508), (9754, 13160)]