201519720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{559777}}^1$

素因数の和:559794

約数の個数: 48

約数和(自身を含む): 654940260

約数和(自身を除く): 453420540

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, 559777, 1119554, 1679331, 2239108, 2798885, 3358662, 4478216, 5037993, 5597770, 6717324, 8396655, 10075986, 11195540, 13434648, 16793310, 20151972, 22391080, 25189965, 33586620, 40303944, 50379930, 67173240, 100759860, 201519720]

約数ペア:

[(1, 201519720), (2, 100759860), (3, 67173240), (4, 50379930), (5, 40303944), (6, 33586620), (8, 25189965), (9, 22391080), (10, 20151972), (12, 16793310), (15, 13434648), (18, 11195540), (20, 10075986), (24, 8396655), (30, 6717324), (36, 5597770), (40, 5037993), (45, 4478216), (60, 3358662), (72, 2798885), (90, 2239108), (120, 1679331), (180, 1119554), (360, 559777)]