201581520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1357

約数の個数: 160

約数和(自身を含む): 722120448

約数和(自身を除く): 520538928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 97, 105, 112, 120, 140, 168, 194, 210, 240, 280, 291, 336, 388, 420, 485, 560, 582, 679, 776, 840, 970, 1164, 1237, 1358, 1455, 1552, 1680, 1940, 2037, 2328, 2474, 2716, 2910, 3395, 3711, 3880, 4074, 4656, 4948, 5432, 5820, 6185, 6790, 7422, 7760, 8148, 8659, 9896, 10185, 10864, 11640, 12370, 13580, 14844, 16296, 17318, 18555, 19792, 20370, 23280, 24740, 25977, 27160, 29688, 32592, 34636, 37110, 40740, 43295, 49480, 51954, 54320, 59376, 69272, 74220, 81480, 86590, 98960, 103908, 119989, 129885, 138544, 148440, 162960, 173180, 207816, 239978, 259770, 296880, 346360, 359967, 415632, 479956, 519540, 599945, 692720, 719934, 839923, 959912, 1039080, 1199890, 1439868, 1679846, 1799835, 1919824, 2078160, 2399780, 2519769, 2879736, 3359692, 3599670, 4199615, 4799560, 5039538, 5759472, 6719384, 7199340, 8399230, 9599120, 10079076, 12598845, 13438768, 14398680, 16798460, 20158152, 25197690, 28797360, 33596920, 40316304, 50395380, 67193840, 100790760, 201581520]

約数ペア:

[(1, 201581520), (2, 100790760), (3, 67193840), (4, 50395380), (5, 40316304), (6, 33596920), (7, 28797360), (8, 25197690), (10, 20158152), (12, 16798460), (14, 14398680), (15, 13438768), (16, 12598845), (20, 10079076), (21, 9599120), (24, 8399230), (28, 7199340), (30, 6719384), (35, 5759472), (40, 5039538), (42, 4799560), (48, 4199615), (56, 3599670), (60, 3359692), (70, 2879736), (80, 2519769), (84, 2399780), (97, 2078160), (105, 1919824), (112, 1799835), (120, 1679846), (140, 1439868), (168, 1199890), (194, 1039080), (210, 959912), (240, 839923), (280, 719934), (291, 692720), (336, 599945), (388, 519540), (420, 479956), (485, 415632), (560, 359967), (582, 346360), (679, 296880), (776, 259770), (840, 239978), (970, 207816), (1164, 173180), (1237, 162960), (1358, 148440), (1455, 138544), (1552, 129885), (1680, 119989), (1940, 103908), (2037, 98960), (2328, 86590), (2474, 81480), (2716, 74220), (2910, 69272), (3395, 59376), (3711, 54320), (3880, 51954), (4074, 49480), (4656, 43295), (4948, 40740), (5432, 37110), (5820, 34636), (6185, 32592), (6790, 29688), (7422, 27160), (7760, 25977), (8148, 24740), (8659, 23280), (9896, 20370), (10185, 19792), (10864, 18555), (11640, 17318), (12370, 16296), (13580, 14844)]