128873880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{357983}}^1$

素因数の和:358000

約数の個数: 48

約数和(自身を含む): 418841280

約数和(自身を除く): 289967400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 357983, 715966, 1073949, 1431932, 1789915, 2147898, 2863864, 3221847, 3579830, 4295796, 5369745, 6443694, 7159660, 8591592, 10739490, 12887388, 14319320, 16109235, 21478980, 25774776, 32218470, 42957960, 64436940, 128873880]

約数ペア:

[(1, 128873880), (2, 64436940), (3, 42957960), (4, 32218470), (5, 25774776), (6, 21478980), (8, 16109235), (9, 14319320), (10, 12887388), (12, 10739490), (15, 8591592), (18, 7159660), (20, 6443694), (24, 5369745), (30, 4295796), (36, 3579830), (40, 3221847), (45, 2863864), (60, 2147898), (72, 1789915), (90, 1431932), (120, 1073949), (180, 715966), (360, 357983)]