31701240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:366

約数の個数: 128

約数和(自身を含む): 106920000

約数和(自身を除く): 75218760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 149, 180, 197, 216, 270, 298, 360, 394, 447, 540, 591, 596, 745, 788, 894, 985, 1080, 1182, 1192, 1341, 1490, 1576, 1773, 1788, 1970, 2235, 2364, 2682, 2955, 2980, 3546, 3576, 3940, 4023, 4470, 4728, 5319, 5364, 5910, 5960, 6705, 7092, 7880, 8046, 8865, 8940, 10638, 10728, 11820, 13410, 14184, 16092, 17730, 17880, 20115, 21276, 23640, 26595, 26820, 29353, 32184, 35460, 40230, 42552, 53190, 53640, 58706, 70920, 80460, 88059, 106380, 117412, 146765, 160920, 176118, 212760, 234824, 264177, 293530, 352236, 440295, 528354, 587060, 704472, 792531, 880590, 1056708, 1174120, 1320885, 1585062, 1761180, 2113416, 2641770, 3170124, 3522360, 3962655, 5283540, 6340248, 7925310, 10567080, 15850620, 31701240]

約数ペア:

[(1, 31701240), (2, 15850620), (3, 10567080), (4, 7925310), (5, 6340248), (6, 5283540), (8, 3962655), (9, 3522360), (10, 3170124), (12, 2641770), (15, 2113416), (18, 1761180), (20, 1585062), (24, 1320885), (27, 1174120), (30, 1056708), (36, 880590), (40, 792531), (45, 704472), (54, 587060), (60, 528354), (72, 440295), (90, 352236), (108, 293530), (120, 264177), (135, 234824), (149, 212760), (180, 176118), (197, 160920), (216, 146765), (270, 117412), (298, 106380), (360, 88059), (394, 80460), (447, 70920), (540, 58706), (591, 53640), (596, 53190), (745, 42552), (788, 40230), (894, 35460), (985, 32184), (1080, 29353), (1182, 26820), (1192, 26595), (1341, 23640), (1490, 21276), (1576, 20115), (1773, 17880), (1788, 17730), (1970, 16092), (2235, 14184), (2364, 13410), (2682, 11820), (2955, 10728), (2980, 10638), (3546, 8940), (3576, 8865), (3940, 8046), (4023, 7880), (4470, 7092), (4728, 6705), (5319, 5960), (5364, 5910)]