164321640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 192

約数和(自身を含む): 615288960

約数和(自身を除く): 450967320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 197, 210, 252, 280, 315, 331, 360, 394, 420, 504, 591, 630, 662, 788, 840, 985, 993, 1182, 1260, 1324, 1379, 1576, 1655, 1773, 1970, 1986, 2317, 2364, 2520, 2648, 2758, 2955, 2979, 3310, 3546, 3940, 3972, 4137, 4634, 4728, 4965, 5516, 5910, 5958, 6620, 6895, 6951, 7092, 7880, 7944, 8274, 8865, 9268, 9930, 11032, 11585, 11820, 11916, 12411, 13240, 13790, 13902, 14184, 14895, 16548, 17730, 18536, 19860, 20685, 20853, 23170, 23640, 23832, 24822, 27580, 27804, 29790, 33096, 34755, 35460, 39720, 41370, 41706, 46340, 49644, 55160, 55608, 59580, 62055, 65207, 69510, 70920, 82740, 83412, 92680, 99288, 104265, 119160, 124110, 130414, 139020, 165480, 166824, 195621, 208530, 248220, 260828, 278040, 326035, 391242, 417060, 456449, 496440, 521656, 586863, 652070, 782484, 834120, 912898, 978105, 1173726, 1304140, 1369347, 1564968, 1825796, 1956210, 2282245, 2347452, 2608280, 2738694, 2934315, 3651592, 3912420, 4108041, 4564490, 4694904, 5477388, 5868630, 6846735, 7824840, 8216082, 9128980, 10954776, 11737260, 13693470, 16432164, 18257960, 20540205, 23474520, 27386940, 32864328, 41080410, 54773880, 82160820, 164321640]

約数ペア:

[(1, 164321640), (2, 82160820), (3, 54773880), (4, 41080410), (5, 32864328), (6, 27386940), (7, 23474520), (8, 20540205), (9, 18257960), (10, 16432164), (12, 13693470), (14, 11737260), (15, 10954776), (18, 9128980), (20, 8216082), (21, 7824840), (24, 6846735), (28, 5868630), (30, 5477388), (35, 4694904), (36, 4564490), (40, 4108041), (42, 3912420), (45, 3651592), (56, 2934315), (60, 2738694), (63, 2608280), (70, 2347452), (72, 2282245), (84, 1956210), (90, 1825796), (105, 1564968), (120, 1369347), (126, 1304140), (140, 1173726), (168, 978105), (180, 912898), (197, 834120), (210, 782484), (252, 652070), (280, 586863), (315, 521656), (331, 496440), (360, 456449), (394, 417060), (420, 391242), (504, 326035), (591, 278040), (630, 260828), (662, 248220), (788, 208530), (840, 195621), (985, 166824), (993, 165480), (1182, 139020), (1260, 130414), (1324, 124110), (1379, 119160), (1576, 104265), (1655, 99288), (1773, 92680), (1970, 83412), (1986, 82740), (2317, 70920), (2364, 69510), (2520, 65207), (2648, 62055), (2758, 59580), (2955, 55608), (2979, 55160), (3310, 49644), (3546, 46340), (3940, 41706), (3972, 41370), (4137, 39720), (4634, 35460), (4728, 34755), (4965, 33096), (5516, 29790), (5910, 27804), (5958, 27580), (6620, 24822), (6895, 23832), (6951, 23640), (7092, 23170), (7880, 20853), (7944, 20685), (8274, 19860), (8865, 18536), (9268, 17730), (9930, 16548), (11032, 14895), (11585, 14184), (11820, 13902), (11916, 13790), (12411, 13240)]