90071820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1609}}^1$

素因数の和:1935

約数の個数: 72

約数和(自身を含む): 274266720

約数和(自身を除く): 184194900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1244, 1555, 1609, 1866, 2799, 3110, 3218, 3732, 4665, 4827, 5598, 6220, 6436, 8045, 9330, 9654, 11196, 13995, 14481, 16090, 18660, 19308, 24135, 27990, 28962, 32180, 48270, 55980, 57924, 72405, 96540, 144810, 289620, 500399, 1000798, 1501197, 2001596, 2501995, 3002394, 4503591, 5003990, 6004788, 7505985, 9007182, 10007980, 15011970, 18014364, 22517955, 30023940, 45035910, 90071820]

約数ペア:

[(1, 90071820), (2, 45035910), (3, 30023940), (4, 22517955), (5, 18014364), (6, 15011970), (9, 10007980), (10, 9007182), (12, 7505985), (15, 6004788), (18, 5003990), (20, 4503591), (30, 3002394), (36, 2501995), (45, 2001596), (60, 1501197), (90, 1000798), (180, 500399), (311, 289620), (622, 144810), (933, 96540), (1244, 72405), (1555, 57924), (1609, 55980), (1866, 48270), (2799, 32180), (3110, 28962), (3218, 27990), (3732, 24135), (4665, 19308), (4827, 18660), (5598, 16090), (6220, 14481), (6436, 13995), (8045, 11196), (9330, 9654)]