91474240

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1999}}^1$

素因数の和:2040

約数の個数: 112

約数和(自身を含む): 256032000

約数和(自身を除く): 164557760

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 704, 715, 832, 880, 1040, 1144, 1430, 1760, 1999, 2080, 2288, 2860, 3520, 3998, 4160, 4576, 5720, 7996, 9152, 9995, 11440, 15992, 19990, 21989, 22880, 25987, 31984, 39980, 43978, 45760, 51974, 63968, 79960, 87956, 103948, 109945, 127936, 129935, 159920, 175912, 207896, 219890, 259870, 285857, 319840, 351824, 415792, 439780, 519740, 571714, 639680, 703648, 831584, 879560, 1039480, 1143428, 1407296, 1429285, 1663168, 1759120, 2078960, 2286856, 2858570, 3518240, 4157920, 4573712, 5717140, 7036480, 8315840, 9147424, 11434280, 18294848, 22868560, 45737120, 91474240]

約数ペア:

[(1, 91474240), (2, 45737120), (4, 22868560), (5, 18294848), (8, 11434280), (10, 9147424), (11, 8315840), (13, 7036480), (16, 5717140), (20, 4573712), (22, 4157920), (26, 3518240), (32, 2858570), (40, 2286856), (44, 2078960), (52, 1759120), (55, 1663168), (64, 1429285), (65, 1407296), (80, 1143428), (88, 1039480), (104, 879560), (110, 831584), (130, 703648), (143, 639680), (160, 571714), (176, 519740), (208, 439780), (220, 415792), (260, 351824), (286, 319840), (320, 285857), (352, 259870), (416, 219890), (440, 207896), (520, 175912), (572, 159920), (704, 129935), (715, 127936), (832, 109945), (880, 103948), (1040, 87956), (1144, 79960), (1430, 63968), (1760, 51974), (1999, 45760), (2080, 43978), (2288, 39980), (2860, 31984), (3520, 25987), (3998, 22880), (4160, 21989), (4576, 19990), (5720, 15992), (7996, 11440), (9152, 9995)]