320427720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{38699}}^1$

素因数の和:38739

約数の個数: 96

約数和(自身を含む): 1086696000

約数和(自身を除く): 766268280

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, 4140, 8280, 38699, 77398, 116097, 154796, 193495, 232194, 309592, 348291, 386990, 464388, 580485, 696582, 773980, 890077, 928776, 1160970, 1393164, 1547960, 1741455, 1780154, 2321940, 2670231, 2786328, 3482910, 3560308, 4450385, 4643880, 5340462, 6965820, 7120616, 8010693, 8900770, 10680924, 13351155, 13931640, 16021386, 17801540, 21361848, 26702310, 32042772, 35603080, 40053465, 53404620, 64085544, 80106930, 106809240, 160213860, 320427720]

約数ペア:

[(1, 320427720), (2, 160213860), (3, 106809240), (4, 80106930), (5, 64085544), (6, 53404620), (8, 40053465), (9, 35603080), (10, 32042772), (12, 26702310), (15, 21361848), (18, 17801540), (20, 16021386), (23, 13931640), (24, 13351155), (30, 10680924), (36, 8900770), (40, 8010693), (45, 7120616), (46, 6965820), (60, 5340462), (69, 4643880), (72, 4450385), (90, 3560308), (92, 3482910), (115, 2786328), (120, 2670231), (138, 2321940), (180, 1780154), (184, 1741455), (207, 1547960), (230, 1393164), (276, 1160970), (345, 928776), (360, 890077), (414, 773980), (460, 696582), (552, 580485), (690, 464388), (828, 386990), (920, 348291), (1035, 309592), (1380, 232194), (1656, 193495), (2070, 154796), (2760, 116097), (4140, 77398), (8280, 38699)]