1620531720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{4501477}}^1$

素因数の和:4501494

約数の個数: 48

約数和(自身を含む): 5266729260

約数和(自身を除く): 3646197540

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, 4501477, 9002954, 13504431, 18005908, 22507385, 27008862, 36011816, 40513293, 45014770, 54017724, 67522155, 81026586, 90029540, 108035448, 135044310, 162053172, 180059080, 202566465, 270088620, 324106344, 405132930, 540177240, 810265860, 1620531720]

約数ペア:

[(1, 1620531720), (2, 810265860), (3, 540177240), (4, 405132930), (5, 324106344), (6, 270088620), (8, 202566465), (9, 180059080), (10, 162053172), (12, 135044310), (15, 108035448), (18, 90029540), (20, 81026586), (24, 67522155), (30, 54017724), (36, 45014770), (40, 40513293), (45, 36011816), (60, 27008862), (72, 22507385), (90, 18005908), (120, 13504431), (180, 9002954), (360, 4501477)]