21642240

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1409}}^1$

素因数の和:1437

約数の個数: 88

約数和(自身を含む): 69270480

約数和(自身を除く): 47628240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1409, 1536, 1920, 2560, 2818, 3072, 3840, 4227, 5120, 5636, 7045, 7680, 8454, 11272, 14090, 15360, 16908, 21135, 22544, 28180, 33816, 42270, 45088, 56360, 67632, 84540, 90176, 112720, 135264, 169080, 180352, 225440, 270528, 338160, 360704, 450880, 541056, 676320, 721408, 901760, 1082112, 1352640, 1442816, 1803520, 2164224, 2705280, 3607040, 4328448, 5410560, 7214080, 10821120, 21642240]

約数ペア:

[(1, 21642240), (2, 10821120), (3, 7214080), (4, 5410560), (5, 4328448), (6, 3607040), (8, 2705280), (10, 2164224), (12, 1803520), (15, 1442816), (16, 1352640), (20, 1082112), (24, 901760), (30, 721408), (32, 676320), (40, 541056), (48, 450880), (60, 360704), (64, 338160), (80, 270528), (96, 225440), (120, 180352), (128, 169080), (160, 135264), (192, 112720), (240, 90176), (256, 84540), (320, 67632), (384, 56360), (480, 45088), (512, 42270), (640, 33816), (768, 28180), (960, 22544), (1024, 21135), (1280, 16908), (1409, 15360), (1536, 14090), (1920, 11272), (2560, 8454), (2818, 7680), (3072, 7045), (3840, 5636), (4227, 5120)]