18671406880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{11287}}^1$

素因数の和:11527

約数の個数: 144

約数和(自身を含む): 51560784576

約数和(自身を除く): 32889377696

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 211, 224, 245, 280, 392, 422, 490, 560, 784, 844, 980, 1055, 1120, 1477, 1568, 1688, 1960, 2110, 2954, 3376, 3920, 4220, 5908, 6752, 7385, 7840, 8440, 10339, 11287, 11816, 14770, 16880, 20678, 22574, 23632, 29540, 33760, 41356, 45148, 47264, 51695, 56435, 59080, 79009, 82712, 90296, 103390, 112870, 118160, 158018, 165424, 180592, 206780, 225740, 236320, 316036, 330848, 361184, 395045, 413560, 451480, 553063, 632072, 790090, 827120, 902960, 1106126, 1264144, 1580180, 1654240, 1805920, 2212252, 2381557, 2528288, 2765315, 3160360, 4424504, 4763114, 5530630, 6320720, 8849008, 9526228, 11061260, 11907785, 12641440, 16670899, 17698016, 19052456, 22122520, 23815570, 33341798, 38104912, 44245040, 47631140, 66683596, 76209824, 83354495, 88490080, 95262280, 116696293, 133367192, 166708990, 190524560, 233392586, 266734384, 333417980, 381049120, 466785172, 533468768, 583481465, 666835960, 933570344, 1166962930, 1333671920, 1867140688, 2333925860, 2667343840, 3734281376, 4667851720, 9335703440, 18671406880]

約数ペア:

[(1, 18671406880), (2, 9335703440), (4, 4667851720), (5, 3734281376), (7, 2667343840), (8, 2333925860), (10, 1867140688), (14, 1333671920), (16, 1166962930), (20, 933570344), (28, 666835960), (32, 583481465), (35, 533468768), (40, 466785172), (49, 381049120), (56, 333417980), (70, 266734384), (80, 233392586), (98, 190524560), (112, 166708990), (140, 133367192), (160, 116696293), (196, 95262280), (211, 88490080), (224, 83354495), (245, 76209824), (280, 66683596), (392, 47631140), (422, 44245040), (490, 38104912), (560, 33341798), (784, 23815570), (844, 22122520), (980, 19052456), (1055, 17698016), (1120, 16670899), (1477, 12641440), (1568, 11907785), (1688, 11061260), (1960, 9526228), (2110, 8849008), (2954, 6320720), (3376, 5530630), (3920, 4763114), (4220, 4424504), (5908, 3160360), (6752, 2765315), (7385, 2528288), (7840, 2381557), (8440, 2212252), (10339, 1805920), (11287, 1654240), (11816, 1580180), (14770, 1264144), (16880, 1106126), (20678, 902960), (22574, 827120), (23632, 790090), (29540, 632072), (33760, 553063), (41356, 451480), (45148, 413560), (47264, 395045), (51695, 361184), (56435, 330848), (59080, 316036), (79009, 236320), (82712, 225740), (90296, 206780), (103390, 180592), (112870, 165424), (118160, 158018)]