205916520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1715971}}^1$

素因数の和:1715985

約数の個数: 32

約数和(自身を含む): 617749920

約数和(自身を除く): 411833400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1715971, 3431942, 5147913, 6863884, 8579855, 10295826, 13727768, 17159710, 20591652, 25739565, 34319420, 41183304, 51479130, 68638840, 102958260, 205916520]

約数ペア:

[(1, 205916520), (2, 102958260), (3, 68638840), (4, 51479130), (5, 41183304), (6, 34319420), (8, 25739565), (10, 20591652), (12, 17159710), (15, 13727768), (20, 10295826), (24, 8579855), (30, 6863884), (40, 5147913), (60, 3431942), (120, 1715971)]