201771720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{560477}}^1$

素因数の和:560494

約数の個数: 48

約数和(自身を含む): 655759260

約数和(自身を除く): 453987540

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, 560477, 1120954, 1681431, 2241908, 2802385, 3362862, 4483816, 5044293, 5604770, 6725724, 8407155, 10088586, 11209540, 13451448, 16814310, 20177172, 22419080, 25221465, 33628620, 40354344, 50442930, 67257240, 100885860, 201771720]

約数ペア:

[(1, 201771720), (2, 100885860), (3, 67257240), (4, 50442930), (5, 40354344), (6, 33628620), (8, 25221465), (9, 22419080), (10, 20177172), (12, 16814310), (15, 13451448), (18, 11209540), (20, 10088586), (24, 8407155), (30, 6725724), (36, 5604770), (40, 5044293), (45, 4483816), (60, 3362862), (72, 2802385), (90, 2241908), (120, 1681431), (180, 1120954), (360, 560477)]