128708790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{87557}}^1$

素因数の和:87581

約数の個数: 48

約数和(自身を含む): 359338032

約数和(自身を除く): 230629242

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 87557, 175114, 262671, 437785, 525342, 612899, 875570, 1225798, 1313355, 1838697, 2626710, 3064495, 3677394, 4290293, 6128990, 8580586, 9193485, 12870879, 18386970, 21451465, 25741758, 42902930, 64354395, 128708790]

約数ペア:

[(1, 128708790), (2, 64354395), (3, 42902930), (5, 25741758), (6, 21451465), (7, 18386970), (10, 12870879), (14, 9193485), (15, 8580586), (21, 6128990), (30, 4290293), (35, 3677394), (42, 3064495), (49, 2626710), (70, 1838697), (98, 1313355), (105, 1225798), (147, 875570), (210, 612899), (245, 525342), (294, 437785), (490, 262671), (735, 175114), (1470, 87557)]