18284080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 46782720

約数和(自身を除く): 28498640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 523, 760, 874, 920, 1046, 1520, 1748, 1840, 2092, 2185, 2615, 3496, 4184, 4370, 5230, 6992, 8368, 8740, 9937, 10460, 12029, 17480, 19874, 20920, 24058, 34960, 39748, 41840, 48116, 49685, 60145, 79496, 96232, 99370, 120290, 158992, 192464, 198740, 228551, 240580, 397480, 457102, 481160, 794960, 914204, 962320, 1142755, 1828408, 2285510, 3656816, 4571020, 9142040, 18284080]

約数ペア:

[(1, 18284080), (2, 9142040), (4, 4571020), (5, 3656816), (8, 2285510), (10, 1828408), (16, 1142755), (19, 962320), (20, 914204), (23, 794960), (38, 481160), (40, 457102), (46, 397480), (76, 240580), (80, 228551), (92, 198740), (95, 192464), (115, 158992), (152, 120290), (184, 99370), (190, 96232), (230, 79496), (304, 60145), (368, 49685), (380, 48116), (437, 41840), (460, 39748), (523, 34960), (760, 24058), (874, 20920), (920, 19874), (1046, 17480), (1520, 12029), (1748, 10460), (1840, 9937), (2092, 8740), (2185, 8368), (2615, 6992), (3496, 5230), (4184, 4370)]