18789840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{8699}}^1$

素因数の和:8721

約数の個数: 80

約数和(自身を含む): 64728000

約数和(自身を除く): 45938160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 8699, 17398, 26097, 34796, 43495, 52194, 69592, 78291, 86990, 104388, 130485, 139184, 156582, 173980, 208776, 234873, 260970, 313164, 347960, 391455, 417552, 469746, 521940, 626328, 695920, 782910, 939492, 1043880, 1174365, 1252656, 1565820, 1878984, 2087760, 2348730, 3131640, 3757968, 4697460, 6263280, 9394920, 18789840]

約数ペア:

[(1, 18789840), (2, 9394920), (3, 6263280), (4, 4697460), (5, 3757968), (6, 3131640), (8, 2348730), (9, 2087760), (10, 1878984), (12, 1565820), (15, 1252656), (16, 1174365), (18, 1043880), (20, 939492), (24, 782910), (27, 695920), (30, 626328), (36, 521940), (40, 469746), (45, 417552), (48, 391455), (54, 347960), (60, 313164), (72, 260970), (80, 234873), (90, 208776), (108, 173980), (120, 156582), (135, 139184), (144, 130485), (180, 104388), (216, 86990), (240, 78291), (270, 69592), (360, 52194), (432, 43495), (540, 34796), (720, 26097), (1080, 17398), (2160, 8699)]