31135440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:497

約数の個数: 160

約数和(自身を含む): 113135616

約数和(自身を除く): 82000176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 431, 516, 560, 602, 645, 688, 840, 860, 862, 903, 1032, 1204, 1290, 1293, 1505, 1680, 1720, 1724, 1806, 2064, 2155, 2408, 2580, 2586, 3010, 3017, 3440, 3448, 3612, 4310, 4515, 4816, 5160, 5172, 6020, 6034, 6465, 6896, 7224, 8620, 9030, 9051, 10320, 10344, 12040, 12068, 12930, 14448, 15085, 17240, 18060, 18102, 18533, 20688, 24080, 24136, 25860, 30170, 34480, 36120, 36204, 37066, 45255, 48272, 51720, 55599, 60340, 72240, 72408, 74132, 90510, 92665, 103440, 111198, 120680, 129731, 144816, 148264, 181020, 185330, 222396, 241360, 259462, 277995, 296528, 362040, 370660, 389193, 444792, 518924, 555990, 648655, 724080, 741320, 778386, 889584, 1037848, 1111980, 1297310, 1482640, 1556772, 1945965, 2075696, 2223960, 2594620, 3113544, 3891930, 4447920, 5189240, 6227088, 7783860, 10378480, 15567720, 31135440]

約数ペア:

[(1, 31135440), (2, 15567720), (3, 10378480), (4, 7783860), (5, 6227088), (6, 5189240), (7, 4447920), (8, 3891930), (10, 3113544), (12, 2594620), (14, 2223960), (15, 2075696), (16, 1945965), (20, 1556772), (21, 1482640), (24, 1297310), (28, 1111980), (30, 1037848), (35, 889584), (40, 778386), (42, 741320), (43, 724080), (48, 648655), (56, 555990), (60, 518924), (70, 444792), (80, 389193), (84, 370660), (86, 362040), (105, 296528), (112, 277995), (120, 259462), (129, 241360), (140, 222396), (168, 185330), (172, 181020), (210, 148264), (215, 144816), (240, 129731), (258, 120680), (280, 111198), (301, 103440), (336, 92665), (344, 90510), (420, 74132), (430, 72408), (431, 72240), (516, 60340), (560, 55599), (602, 51720), (645, 48272), (688, 45255), (840, 37066), (860, 36204), (862, 36120), (903, 34480), (1032, 30170), (1204, 25860), (1290, 24136), (1293, 24080), (1505, 20688), (1680, 18533), (1720, 18102), (1724, 18060), (1806, 17240), (2064, 15085), (2155, 14448), (2408, 12930), (2580, 12068), (2586, 12040), (3010, 10344), (3017, 10320), (3440, 9051), (3448, 9030), (3612, 8620), (4310, 7224), (4515, 6896), (4816, 6465), (5160, 6034), (5172, 6020)]