128433480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{152897}}^1$

素因数の和:152918

約数の個数: 64

約数和(自身を含む): 440346240

約数和(自身を除く): 311912760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 152897, 305794, 458691, 611588, 764485, 917382, 1070279, 1223176, 1528970, 1834764, 2140558, 2293455, 3057940, 3210837, 3669528, 4281116, 4586910, 5351395, 6115880, 6421674, 8562232, 9173820, 10702790, 12843348, 16054185, 18347640, 21405580, 25686696, 32108370, 42811160, 64216740, 128433480]

約数ペア:

[(1, 128433480), (2, 64216740), (3, 42811160), (4, 32108370), (5, 25686696), (6, 21405580), (7, 18347640), (8, 16054185), (10, 12843348), (12, 10702790), (14, 9173820), (15, 8562232), (20, 6421674), (21, 6115880), (24, 5351395), (28, 4586910), (30, 4281116), (35, 3669528), (40, 3210837), (42, 3057940), (56, 2293455), (60, 2140558), (70, 1834764), (84, 1528970), (105, 1223176), (120, 1070279), (140, 917382), (168, 764485), (210, 611588), (280, 458691), (420, 305794), (840, 152897)]