789751040

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1596

約数の個数: 144

約数和(自身を含む): 2104306176

約数和(自身を除く): 1314555136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1531, 1612, 1664, 1984, 2015, 2080, 2480, 3062, 3224, 3328, 3968, 4030, 4160, 4960, 6124, 6448, 7655, 7936, 8060, 8320, 9920, 12248, 12896, 15310, 16120, 16640, 19840, 19903, 24496, 25792, 30620, 32240, 39680, 39806, 47461, 48992, 51584, 61240, 64480, 79612, 94922, 97984, 99515, 103168, 122480, 128960, 159224, 189844, 195968, 199030, 237305, 244960, 257920, 318448, 379688, 391936, 398060, 474610, 489920, 515840, 616993, 636896, 759376, 796120, 949220, 979840, 1233986, 1273792, 1518752, 1592240, 1898440, 1959680, 2467972, 2547584, 3037504, 3084965, 3184480, 3796880, 4935944, 5095168, 6075008, 6169930, 6368960, 7593760, 9871888, 12150016, 12339860, 12737920, 15187520, 19743776, 24679720, 25475840, 30375040, 39487552, 49359440, 60750080, 78975104, 98718880, 157950208, 197437760, 394875520, 789751040]

約数ペア:

[(1, 789751040), (2, 394875520), (4, 197437760), (5, 157950208), (8, 98718880), (10, 78975104), (13, 60750080), (16, 49359440), (20, 39487552), (26, 30375040), (31, 25475840), (32, 24679720), (40, 19743776), (52, 15187520), (62, 12737920), (64, 12339860), (65, 12150016), (80, 9871888), (104, 7593760), (124, 6368960), (128, 6169930), (130, 6075008), (155, 5095168), (160, 4935944), (208, 3796880), (248, 3184480), (256, 3084965), (260, 3037504), (310, 2547584), (320, 2467972), (403, 1959680), (416, 1898440), (496, 1592240), (520, 1518752), (620, 1273792), (640, 1233986), (806, 979840), (832, 949220), (992, 796120), (1040, 759376), (1240, 636896), (1280, 616993), (1531, 515840), (1612, 489920), (1664, 474610), (1984, 398060), (2015, 391936), (2080, 379688), (2480, 318448), (3062, 257920), (3224, 244960), (3328, 237305), (3968, 199030), (4030, 195968), (4160, 189844), (4960, 159224), (6124, 128960), (6448, 122480), (7655, 103168), (7936, 99515), (8060, 97984), (8320, 94922), (9920, 79612), (12248, 64480), (12896, 61240), (15310, 51584), (16120, 48992), (16640, 47461), (19840, 39806), (19903, 39680), (24496, 32240), (25792, 30620)]