71919720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199777}}^1$

素因数の和:199794

約数の個数: 48

約数和(自身を含む): 233740260

約数和(自身を除く): 161820540

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, 199777, 399554, 599331, 799108, 998885, 1198662, 1598216, 1797993, 1997770, 2397324, 2996655, 3595986, 3995540, 4794648, 5993310, 7191972, 7991080, 8989965, 11986620, 14383944, 17979930, 23973240, 35959860, 71919720]

約数ペア:

[(1, 71919720), (2, 35959860), (3, 23973240), (4, 17979930), (5, 14383944), (6, 11986620), (8, 8989965), (9, 7991080), (10, 7191972), (12, 5993310), (15, 4794648), (18, 3995540), (20, 3595986), (24, 2996655), (30, 2397324), (36, 1997770), (40, 1797993), (45, 1598216), (60, 1198662), (72, 998885), (90, 799108), (120, 599331), (180, 399554), (360, 199777)]