291128040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:521

約数の個数: 256

約数和(自身を含む): 1123315200

約数和(自身を除く): 832187160

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, 45, 54, 56, 60, 63, 70, 72, 84, 90, 97, 105, 108, 120, 126, 135, 140, 168, 180, 189, 194, 210, 216, 252, 270, 280, 291, 315, 360, 378, 388, 397, 420, 485, 504, 540, 582, 630, 679, 756, 776, 794, 840, 873, 945, 970, 1080, 1164, 1191, 1260, 1358, 1455, 1512, 1588, 1746, 1890, 1940, 1985, 2037, 2328, 2382, 2520, 2619, 2716, 2779, 2910, 3176, 3395, 3492, 3573, 3780, 3880, 3970, 4074, 4365, 4764, 5238, 5432, 5558, 5820, 5955, 6111, 6790, 6984, 7146, 7560, 7940, 8148, 8337, 8730, 9528, 10185, 10476, 10719, 11116, 11640, 11910, 12222, 13095, 13580, 13895, 14292, 15880, 16296, 16674, 17460, 17865, 18333, 20370, 20952, 21438, 22232, 23820, 24444, 25011, 26190, 27160, 27790, 28584, 30555, 33348, 34920, 35730, 36666, 38509, 40740, 41685, 42876, 47640, 48888, 50022, 52380, 53595, 55580, 61110, 66696, 71460, 73332, 75033, 77018, 81480, 83370, 85752, 91665, 100044, 104760, 107190, 111160, 115527, 122220, 125055, 142920, 146664, 150066, 154036, 166740, 183330, 192545, 200088, 214380, 231054, 244440, 250110, 269563, 300132, 308072, 333480, 346581, 366660, 375165, 385090, 428760, 462108, 500220, 539126, 577635, 600264, 693162, 733320, 750330, 770180, 808689, 924216, 1000440, 1039743, 1078252, 1155270, 1347815, 1386324, 1500660, 1540360, 1617378, 1732905, 2079486, 2156504, 2310540, 2426067, 2695630, 2772648, 3001320, 3234756, 3465810, 4043445, 4158972, 4621080, 4852134, 5198715, 5391260, 6469512, 6931620, 7278201, 8086890, 8317944, 9704268, 10397430, 10782520, 12130335, 13863240, 14556402, 16173780, 19408536, 20794860, 24260670, 29112804, 32347560, 36391005, 41589720, 48521340, 58225608, 72782010, 97042680, 145564020, 291128040]

約数ペア:

[(1, 291128040), (2, 145564020), (3, 97042680), (4, 72782010), (5, 58225608), (6, 48521340), (7, 41589720), (8, 36391005), (9, 32347560), (10, 29112804), (12, 24260670), (14, 20794860), (15, 19408536), (18, 16173780), (20, 14556402), (21, 13863240), (24, 12130335), (27, 10782520), (28, 10397430), (30, 9704268), (35, 8317944), (36, 8086890), (40, 7278201), (42, 6931620), (45, 6469512), (54, 5391260), (56, 5198715), (60, 4852134), (63, 4621080), (70, 4158972), (72, 4043445), (84, 3465810), (90, 3234756), (97, 3001320), (105, 2772648), (108, 2695630), (120, 2426067), (126, 2310540), (135, 2156504), (140, 2079486), (168, 1732905), (180, 1617378), (189, 1540360), (194, 1500660), (210, 1386324), (216, 1347815), (252, 1155270), (270, 1078252), (280, 1039743), (291, 1000440), (315, 924216), (360, 808689), (378, 770180), (388, 750330), (397, 733320), (420, 693162), (485, 600264), (504, 577635), (540, 539126), (582, 500220), (630, 462108), (679, 428760), (756, 385090), (776, 375165), (794, 366660), (840, 346581), (873, 333480), (945, 308072), (970, 300132), (1080, 269563), (1164, 250110), (1191, 244440), (1260, 231054), (1358, 214380), (1455, 200088), (1512, 192545), (1588, 183330), (1746, 166740), (1890, 154036), (1940, 150066), (1985, 146664), (2037, 142920), (2328, 125055), (2382, 122220), (2520, 115527), (2619, 111160), (2716, 107190), (2779, 104760), (2910, 100044), (3176, 91665), (3395, 85752), (3492, 83370), (3573, 81480), (3780, 77018), (3880, 75033), (3970, 73332), (4074, 71460), (4365, 66696), (4764, 61110), (5238, 55580), (5432, 53595), (5558, 52380), (5820, 50022), (5955, 48888), (6111, 47640), (6790, 42876), (6984, 41685), (7146, 40740), (7560, 38509), (7940, 36666), (8148, 35730), (8337, 34920), (8730, 33348), (9528, 30555), (10185, 28584), (10476, 27790), (10719, 27160), (11116, 26190), (11640, 25011), (11910, 24444), (12222, 23820), (13095, 22232), (13580, 21438), (13895, 20952), (14292, 20370), (15880, 18333), (16296, 17865), (16674, 17460)]