319923720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:420

約数の個数: 192

約数和(自身を含む): 1087257600

約数和(自身を除く): 767333880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 109, 120, 124, 155, 180, 186, 218, 248, 263, 279, 310, 327, 360, 372, 436, 465, 526, 545, 558, 620, 654, 744, 789, 872, 930, 981, 1052, 1090, 1116, 1240, 1308, 1315, 1395, 1578, 1635, 1860, 1962, 2104, 2180, 2232, 2367, 2616, 2630, 2790, 3156, 3270, 3379, 3720, 3924, 3945, 4360, 4734, 4905, 5260, 5580, 6312, 6540, 6758, 7848, 7890, 8153, 9468, 9810, 10137, 10520, 11160, 11835, 13080, 13516, 15780, 16306, 16895, 18936, 19620, 20274, 23670, 24459, 27032, 28667, 30411, 31560, 32612, 33790, 39240, 40548, 40765, 47340, 48918, 50685, 57334, 60822, 65224, 67580, 73377, 81096, 81530, 86001, 94680, 97836, 101370, 114668, 121644, 122295, 135160, 143335, 146754, 152055, 163060, 172002, 195672, 202740, 229336, 243288, 244590, 258003, 286670, 293508, 304110, 326120, 344004, 366885, 405480, 430005, 489180, 516006, 573340, 587016, 608220, 688008, 733770, 860010, 888677, 978360, 1032012, 1146680, 1216440, 1290015, 1467540, 1720020, 1777354, 2064024, 2580030, 2666031, 2935080, 3440040, 3554708, 4443385, 5160060, 5332062, 7109416, 7998093, 8886770, 10320120, 10664124, 13330155, 15996186, 17773540, 21328248, 26660310, 31992372, 35547080, 39990465, 53320620, 63984744, 79980930, 106641240, 159961860, 319923720]

約数ペア:

[(1, 319923720), (2, 159961860), (3, 106641240), (4, 79980930), (5, 63984744), (6, 53320620), (8, 39990465), (9, 35547080), (10, 31992372), (12, 26660310), (15, 21328248), (18, 17773540), (20, 15996186), (24, 13330155), (30, 10664124), (31, 10320120), (36, 8886770), (40, 7998093), (45, 7109416), (60, 5332062), (62, 5160060), (72, 4443385), (90, 3554708), (93, 3440040), (109, 2935080), (120, 2666031), (124, 2580030), (155, 2064024), (180, 1777354), (186, 1720020), (218, 1467540), (248, 1290015), (263, 1216440), (279, 1146680), (310, 1032012), (327, 978360), (360, 888677), (372, 860010), (436, 733770), (465, 688008), (526, 608220), (545, 587016), (558, 573340), (620, 516006), (654, 489180), (744, 430005), (789, 405480), (872, 366885), (930, 344004), (981, 326120), (1052, 304110), (1090, 293508), (1116, 286670), (1240, 258003), (1308, 244590), (1315, 243288), (1395, 229336), (1578, 202740), (1635, 195672), (1860, 172002), (1962, 163060), (2104, 152055), (2180, 146754), (2232, 143335), (2367, 135160), (2616, 122295), (2630, 121644), (2790, 114668), (3156, 101370), (3270, 97836), (3379, 94680), (3720, 86001), (3924, 81530), (3945, 81096), (4360, 73377), (4734, 67580), (4905, 65224), (5260, 60822), (5580, 57334), (6312, 50685), (6540, 48918), (6758, 47340), (7848, 40765), (7890, 40548), (8153, 39240), (9468, 33790), (9810, 32612), (10137, 31560), (10520, 30411), (11160, 28667), (11835, 27032), (13080, 24459), (13516, 23670), (15780, 20274), (16306, 19620), (16895, 18936)]