1788890577440

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{1681541}}^1$

素因数の和:1681726

約数の個数: 96

約数和(自身を含む): 4334948014320

約数和(自身を除く): 2546057436880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 109, 122, 160, 218, 244, 305, 436, 488, 545, 610, 872, 976, 1090, 1220, 1744, 1952, 2180, 2440, 3488, 4360, 4880, 6649, 8720, 9760, 13298, 17440, 26596, 33245, 53192, 66490, 106384, 132980, 212768, 265960, 531920, 1063840, 1681541, 3363082, 6726164, 8407705, 13452328, 16815410, 26904656, 33630820, 53809312, 67261640, 102574001, 134523280, 183287969, 205148002, 269046560, 366575938, 410296004, 512870005, 733151876, 820592008, 916439845, 1025740010, 1466303752, 1641184016, 1832879690, 2051480020, 2932607504, 3282368032, 3665759380, 4102960040, 5865215008, 7331518760, 8205920080, 11180566109, 14663037520, 16411840160, 22361132218, 29326075040, 44722264436, 55902830545, 89444528872, 111805661090, 178889057744, 223611322180, 357778115488, 447222644360, 894445288720, 1788890577440]

約数ペア:

[(1, 1788890577440), (2, 894445288720), (4, 447222644360), (5, 357778115488), (8, 223611322180), (10, 178889057744), (16, 111805661090), (20, 89444528872), (32, 55902830545), (40, 44722264436), (61, 29326075040), (80, 22361132218), (109, 16411840160), (122, 14663037520), (160, 11180566109), (218, 8205920080), (244, 7331518760), (305, 5865215008), (436, 4102960040), (488, 3665759380), (545, 3282368032), (610, 2932607504), (872, 2051480020), (976, 1832879690), (1090, 1641184016), (1220, 1466303752), (1744, 1025740010), (1952, 916439845), (2180, 820592008), (2440, 733151876), (3488, 512870005), (4360, 410296004), (4880, 366575938), (6649, 269046560), (8720, 205148002), (9760, 183287969), (13298, 134523280), (17440, 102574001), (26596, 67261640), (33245, 53809312), (53192, 33630820), (66490, 26904656), (106384, 16815410), (132980, 13452328), (212768, 8407705), (265960, 6726164), (531920, 3363082), (1063840, 1681541)]