1280147120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{2285977}}^1$

素因数の和:2285997

約数の個数: 40

約数和(自身を含む): 3401535264

約数和(自身を除く): 2121388144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 2285977, 4571954, 9143908, 11429885, 16001839, 18287816, 22859770, 32003678, 36575632, 45719540, 64007356, 80009195, 91439080, 128014712, 160018390, 182878160, 256029424, 320036780, 640073560, 1280147120]

約数ペア:

[(1, 1280147120), (2, 640073560), (4, 320036780), (5, 256029424), (7, 182878160), (8, 160018390), (10, 128014712), (14, 91439080), (16, 80009195), (20, 64007356), (28, 45719540), (35, 36575632), (40, 32003678), (56, 22859770), (70, 18287816), (80, 16001839), (112, 11429885), (140, 9143908), (280, 4571954), (560, 2285977)]