81287360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3299}}^1$

素因数の和:3334

約数の個数: 112

約数和(自身を含む): 241401600

約数和(自身を除く): 160114240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 704, 770, 880, 1120, 1232, 1540, 1760, 2240, 2464, 3080, 3299, 3520, 4928, 6160, 6598, 12320, 13196, 16495, 23093, 24640, 26392, 32990, 36289, 46186, 52784, 65980, 72578, 92372, 105568, 115465, 131960, 145156, 181445, 184744, 211136, 230930, 254023, 263920, 290312, 362890, 369488, 461860, 508046, 527840, 580624, 725780, 738976, 923720, 1016092, 1055680, 1161248, 1270115, 1451560, 1477952, 1847440, 2032184, 2322496, 2540230, 2903120, 3694880, 4064368, 5080460, 5806240, 7389760, 8128736, 10160920, 11612480, 16257472, 20321840, 40643680, 81287360]

約数ペア:

[(1, 81287360), (2, 40643680), (4, 20321840), (5, 16257472), (7, 11612480), (8, 10160920), (10, 8128736), (11, 7389760), (14, 5806240), (16, 5080460), (20, 4064368), (22, 3694880), (28, 2903120), (32, 2540230), (35, 2322496), (40, 2032184), (44, 1847440), (55, 1477952), (56, 1451560), (64, 1270115), (70, 1161248), (77, 1055680), (80, 1016092), (88, 923720), (110, 738976), (112, 725780), (140, 580624), (154, 527840), (160, 508046), (176, 461860), (220, 369488), (224, 362890), (280, 290312), (308, 263920), (320, 254023), (352, 230930), (385, 211136), (440, 184744), (448, 181445), (560, 145156), (616, 131960), (704, 115465), (770, 105568), (880, 92372), (1120, 72578), (1232, 65980), (1540, 52784), (1760, 46186), (2240, 36289), (2464, 32990), (3080, 26392), (3299, 24640), (3520, 23093), (4928, 16495), (6160, 13196), (6598, 12320)]