661291680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2029}}^1$

素因数の和:2151

約数の個数: 192

約数和(自身を含む): 2406378240

約数和(自身を除く): 1745086560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 97, 105, 112, 120, 140, 160, 168, 194, 210, 224, 240, 280, 291, 336, 388, 420, 480, 485, 560, 582, 672, 679, 776, 840, 970, 1120, 1164, 1358, 1455, 1552, 1680, 1940, 2029, 2037, 2328, 2716, 2910, 3104, 3360, 3395, 3880, 4058, 4074, 4656, 5432, 5820, 6087, 6790, 7760, 8116, 8148, 9312, 10145, 10185, 10864, 11640, 12174, 13580, 14203, 15520, 16232, 16296, 20290, 20370, 21728, 23280, 24348, 27160, 28406, 30435, 32464, 32592, 40580, 40740, 42609, 46560, 48696, 54320, 56812, 60870, 64928, 65184, 71015, 81160, 81480, 85218, 97392, 108640, 113624, 121740, 142030, 162320, 162960, 170436, 194784, 196813, 213045, 227248, 243480, 284060, 324640, 325920, 340872, 393626, 426090, 454496, 486960, 568120, 590439, 681744, 787252, 852180, 973920, 984065, 1136240, 1180878, 1363488, 1377691, 1574504, 1704360, 1968130, 2272480, 2361756, 2755382, 2952195, 3149008, 3408720, 3936260, 4133073, 4723512, 5510764, 5904390, 6298016, 6817440, 6888455, 7872520, 8266146, 9447024, 11021528, 11808780, 13776910, 15745040, 16532292, 18894048, 20665365, 22043056, 23617560, 27553820, 31490080, 33064584, 41330730, 44086112, 47235120, 55107640, 66129168, 82661460, 94470240, 110215280, 132258336, 165322920, 220430560, 330645840, 661291680]

約数ペア:

[(1, 661291680), (2, 330645840), (3, 220430560), (4, 165322920), (5, 132258336), (6, 110215280), (7, 94470240), (8, 82661460), (10, 66129168), (12, 55107640), (14, 47235120), (15, 44086112), (16, 41330730), (20, 33064584), (21, 31490080), (24, 27553820), (28, 23617560), (30, 22043056), (32, 20665365), (35, 18894048), (40, 16532292), (42, 15745040), (48, 13776910), (56, 11808780), (60, 11021528), (70, 9447024), (80, 8266146), (84, 7872520), (96, 6888455), (97, 6817440), (105, 6298016), (112, 5904390), (120, 5510764), (140, 4723512), (160, 4133073), (168, 3936260), (194, 3408720), (210, 3149008), (224, 2952195), (240, 2755382), (280, 2361756), (291, 2272480), (336, 1968130), (388, 1704360), (420, 1574504), (480, 1377691), (485, 1363488), (560, 1180878), (582, 1136240), (672, 984065), (679, 973920), (776, 852180), (840, 787252), (970, 681744), (1120, 590439), (1164, 568120), (1358, 486960), (1455, 454496), (1552, 426090), (1680, 393626), (1940, 340872), (2029, 325920), (2037, 324640), (2328, 284060), (2716, 243480), (2910, 227248), (3104, 213045), (3360, 196813), (3395, 194784), (3880, 170436), (4058, 162960), (4074, 162320), (4656, 142030), (5432, 121740), (5820, 113624), (6087, 108640), (6790, 97392), (7760, 85218), (8116, 81480), (8148, 81160), (9312, 71015), (10145, 65184), (10185, 64928), (10864, 60870), (11640, 56812), (12174, 54320), (13580, 48696), (14203, 46560), (15520, 42609), (16232, 40740), (16296, 40580), (20290, 32592), (20370, 32464), (21728, 30435), (23280, 28406), (24348, 27160)]