28642577760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19890679}}^1$

素因数の和:19890700

約数の個数: 72

約数和(自身を含む): 97742801520

約数和(自身を除く): 69100223760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 19890679, 39781358, 59672037, 79562716, 99453395, 119344074, 159125432, 179016111, 198906790, 238688148, 298360185, 318250864, 358032222, 397813580, 477376296, 596720370, 636501728, 716064444, 795627160, 895080555, 954752592, 1193440740, 1432128888, 1591254320, 1790161110, 1909505184, 2386881480, 2864257776, 3182508640, 3580322220, 4773762960, 5728515552, 7160644440, 9547525920, 14321288880, 28642577760]

約数ペア:

[(1, 28642577760), (2, 14321288880), (3, 9547525920), (4, 7160644440), (5, 5728515552), (6, 4773762960), (8, 3580322220), (9, 3182508640), (10, 2864257776), (12, 2386881480), (15, 1909505184), (16, 1790161110), (18, 1591254320), (20, 1432128888), (24, 1193440740), (30, 954752592), (32, 895080555), (36, 795627160), (40, 716064444), (45, 636501728), (48, 596720370), (60, 477376296), (72, 397813580), (80, 358032222), (90, 318250864), (96, 298360185), (120, 238688148), (144, 198906790), (160, 179016111), (180, 159125432), (240, 119344074), (288, 99453395), (360, 79562716), (480, 59672037), (720, 39781358), (1440, 19890679)]