19179720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 256

約数和(自身を含む): 76032000

約数和(自身を除く): 56852280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 43, 45, 54, 56, 59, 60, 63, 70, 72, 84, 86, 90, 105, 108, 118, 120, 126, 129, 135, 140, 168, 172, 177, 180, 189, 210, 215, 216, 236, 252, 258, 270, 280, 295, 301, 315, 344, 354, 360, 378, 387, 413, 420, 430, 472, 504, 516, 531, 540, 590, 602, 630, 645, 708, 756, 774, 826, 840, 860, 885, 903, 945, 1032, 1062, 1080, 1161, 1180, 1204, 1239, 1260, 1290, 1416, 1505, 1512, 1548, 1593, 1652, 1720, 1770, 1806, 1890, 1935, 2065, 2124, 2322, 2360, 2408, 2478, 2520, 2537, 2580, 2655, 2709, 3010, 3096, 3186, 3304, 3540, 3612, 3717, 3780, 3870, 4130, 4248, 4515, 4644, 4956, 5074, 5160, 5310, 5418, 5805, 6020, 6195, 6372, 7080, 7224, 7434, 7560, 7611, 7740, 7965, 8127, 8260, 9030, 9288, 9912, 10148, 10620, 10836, 11151, 11610, 12040, 12390, 12685, 12744, 13545, 14868, 15222, 15480, 15930, 16254, 16520, 17759, 18060, 18585, 20296, 21240, 21672, 22302, 22833, 23220, 24780, 25370, 27090, 29736, 30444, 31860, 32508, 35518, 36120, 37170, 38055, 40635, 44604, 45666, 46440, 49560, 50740, 53277, 54180, 55755, 60888, 63720, 65016, 68499, 71036, 74340, 76110, 81270, 88795, 89208, 91332, 101480, 106554, 108360, 111510, 114165, 136998, 142072, 148680, 152220, 159831, 162540, 177590, 182664, 213108, 223020, 228330, 266385, 273996, 304440, 319662, 325080, 342495, 355180, 426216, 446040, 456660, 479493, 532770, 547992, 639324, 684990, 710360, 799155, 913320, 958986, 1065540, 1278648, 1369980, 1598310, 1917972, 2131080, 2397465, 2739960, 3196620, 3835944, 4794930, 6393240, 9589860, 19179720]

約数ペア:

[(1, 19179720), (2, 9589860), (3, 6393240), (4, 4794930), (5, 3835944), (6, 3196620), (7, 2739960), (8, 2397465), (9, 2131080), (10, 1917972), (12, 1598310), (14, 1369980), (15, 1278648), (18, 1065540), (20, 958986), (21, 913320), (24, 799155), (27, 710360), (28, 684990), (30, 639324), (35, 547992), (36, 532770), (40, 479493), (42, 456660), (43, 446040), (45, 426216), (54, 355180), (56, 342495), (59, 325080), (60, 319662), (63, 304440), (70, 273996), (72, 266385), (84, 228330), (86, 223020), (90, 213108), (105, 182664), (108, 177590), (118, 162540), (120, 159831), (126, 152220), (129, 148680), (135, 142072), (140, 136998), (168, 114165), (172, 111510), (177, 108360), (180, 106554), (189, 101480), (210, 91332), (215, 89208), (216, 88795), (236, 81270), (252, 76110), (258, 74340), (270, 71036), (280, 68499), (295, 65016), (301, 63720), (315, 60888), (344, 55755), (354, 54180), (360, 53277), (378, 50740), (387, 49560), (413, 46440), (420, 45666), (430, 44604), (472, 40635), (504, 38055), (516, 37170), (531, 36120), (540, 35518), (590, 32508), (602, 31860), (630, 30444), (645, 29736), (708, 27090), (756, 25370), (774, 24780), (826, 23220), (840, 22833), (860, 22302), (885, 21672), (903, 21240), (945, 20296), (1032, 18585), (1062, 18060), (1080, 17759), (1161, 16520), (1180, 16254), (1204, 15930), (1239, 15480), (1260, 15222), (1290, 14868), (1416, 13545), (1505, 12744), (1512, 12685), (1548, 12390), (1593, 12040), (1652, 11610), (1720, 11151), (1770, 10836), (1806, 10620), (1890, 10148), (1935, 9912), (2065, 9288), (2124, 9030), (2322, 8260), (2360, 8127), (2408, 7965), (2478, 7740), (2520, 7611), (2537, 7560), (2580, 7434), (2655, 7224), (2709, 7080), (3010, 6372), (3096, 6195), (3186, 6020), (3304, 5805), (3540, 5418), (3612, 5310), (3717, 5160), (3780, 5074), (3870, 4956), (4130, 4644), (4248, 4515)]