19984871040

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10408787}}^1$

素因数の和:10408809

約数の個数: 64

約数和(自身を含む): 63701782560

約数和(自身を除く): 43716911520

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, 320, 384, 480, 640, 960, 1920, 10408787, 20817574, 31226361, 41635148, 52043935, 62452722, 83270296, 104087870, 124905444, 156131805, 166540592, 208175740, 249810888, 312263610, 333081184, 416351480, 499621776, 624527220, 666162368, 832702960, 999243552, 1249054440, 1332324736, 1665405920, 1998487104, 2498108880, 3330811840, 3996974208, 4996217760, 6661623680, 9992435520, 19984871040]

約数ペア:

[(1, 19984871040), (2, 9992435520), (3, 6661623680), (4, 4996217760), (5, 3996974208), (6, 3330811840), (8, 2498108880), (10, 1998487104), (12, 1665405920), (15, 1332324736), (16, 1249054440), (20, 999243552), (24, 832702960), (30, 666162368), (32, 624527220), (40, 499621776), (48, 416351480), (60, 333081184), (64, 312263610), (80, 249810888), (96, 208175740), (120, 166540592), (128, 156131805), (160, 124905444), (192, 104087870), (240, 83270296), (320, 62452722), (384, 52043935), (480, 41635148), (640, 31226361), (960, 20817574), (1920, 10408787)]