139717560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{68489}}^1$

素因数の和:68520

約数の個数: 64

約数和(自身を含む): 443815200

約数和(自身を除く): 304097640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 68489, 136978, 205467, 273956, 342445, 410934, 547912, 684890, 821868, 1027335, 1164313, 1369780, 1643736, 2054670, 2328626, 2739560, 3492939, 4109340, 4657252, 5821565, 6985878, 8218680, 9314504, 11643130, 13971756, 17464695, 23286260, 27943512, 34929390, 46572520, 69858780, 139717560]

約数ペア:

[(1, 139717560), (2, 69858780), (3, 46572520), (4, 34929390), (5, 27943512), (6, 23286260), (8, 17464695), (10, 13971756), (12, 11643130), (15, 9314504), (17, 8218680), (20, 6985878), (24, 5821565), (30, 4657252), (34, 4109340), (40, 3492939), (51, 2739560), (60, 2328626), (68, 2054670), (85, 1643736), (102, 1369780), (120, 1164313), (136, 1027335), (170, 821868), (204, 684890), (255, 547912), (340, 410934), (408, 342445), (510, 273956), (680, 205467), (1020, 136978), (2040, 68489)]