145791720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{404977}}^1$

素因数の和:404994

約数の個数: 48

約数和(自身を含む): 473824260

約数和(自身を除く): 328032540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 404977, 809954, 1214931, 1619908, 2024885, 2429862, 3239816, 3644793, 4049770, 4859724, 6074655, 7289586, 8099540, 9719448, 12149310, 14579172, 16199080, 18223965, 24298620, 29158344, 36447930, 48597240, 72895860, 145791720]

約数ペア:

[(1, 145791720), (2, 72895860), (3, 48597240), (4, 36447930), (5, 29158344), (6, 24298620), (8, 18223965), (9, 16199080), (10, 14579172), (12, 12149310), (15, 9719448), (18, 8099540), (20, 7289586), (24, 6074655), (30, 4859724), (36, 4049770), (40, 3644793), (45, 3239816), (60, 2429862), (72, 2024885), (90, 1619908), (120, 1214931), (180, 809954), (360, 404977)]