28971720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3499}}^1$

素因数の和:3539

約数の個数: 96

約数和(自身を含む): 98280000

約数和(自身を除く): 69308280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 3499, 4140, 6998, 8280, 10497, 13996, 17495, 20994, 27992, 31491, 34990, 41988, 52485, 62982, 69980, 80477, 83976, 104970, 125964, 139960, 157455, 160954, 209940, 241431, 251928, 314910, 321908, 402385, 419880, 482862, 629820, 643816, 724293, 804770, 965724, 1207155, 1259640, 1448586, 1609540, 1931448, 2414310, 2897172, 3219080, 3621465, 4828620, 5794344, 7242930, 9657240, 14485860, 28971720]

約数ペア:

[(1, 28971720), (2, 14485860), (3, 9657240), (4, 7242930), (5, 5794344), (6, 4828620), (8, 3621465), (9, 3219080), (10, 2897172), (12, 2414310), (15, 1931448), (18, 1609540), (20, 1448586), (23, 1259640), (24, 1207155), (30, 965724), (36, 804770), (40, 724293), (45, 643816), (46, 629820), (60, 482862), (69, 419880), (72, 402385), (90, 321908), (92, 314910), (115, 251928), (120, 241431), (138, 209940), (180, 160954), (184, 157455), (207, 139960), (230, 125964), (276, 104970), (345, 83976), (360, 80477), (414, 69980), (460, 62982), (552, 52485), (690, 41988), (828, 34990), (920, 31491), (1035, 27992), (1380, 20994), (1656, 17495), (2070, 13996), (2760, 10497), (3499, 8280), (4140, 6998)]