77880880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:347

約数の個数: 160

約数和(自身を含む): 231413760

約数和(自身を除く): 153532880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 47, 55, 56, 70, 77, 80, 88, 94, 110, 112, 140, 154, 176, 188, 220, 235, 269, 280, 308, 329, 376, 385, 440, 470, 517, 538, 560, 616, 658, 752, 770, 880, 940, 1034, 1076, 1232, 1316, 1345, 1540, 1645, 1880, 1883, 2068, 2152, 2585, 2632, 2690, 2959, 3080, 3290, 3619, 3760, 3766, 4136, 4304, 5170, 5264, 5380, 5918, 6160, 6580, 7238, 7532, 8272, 9415, 10340, 10760, 11836, 12643, 13160, 14476, 14795, 15064, 18095, 18830, 20680, 20713, 21520, 23672, 25286, 26320, 28952, 29590, 30128, 36190, 37660, 41360, 41426, 47344, 50572, 57904, 59180, 63215, 72380, 75320, 82852, 88501, 101144, 103565, 118360, 126430, 139073, 144760, 150640, 165704, 177002, 202288, 207130, 236720, 252860, 278146, 289520, 331408, 354004, 414260, 442505, 505720, 556292, 695365, 708008, 828520, 885010, 973511, 1011440, 1112584, 1390730, 1416016, 1657040, 1770020, 1947022, 2225168, 2781460, 3540040, 3894044, 4867555, 5562920, 7080080, 7788088, 9735110, 11125840, 15576176, 19470220, 38940440, 77880880]

約数ペア:

[(1, 77880880), (2, 38940440), (4, 19470220), (5, 15576176), (7, 11125840), (8, 9735110), (10, 7788088), (11, 7080080), (14, 5562920), (16, 4867555), (20, 3894044), (22, 3540040), (28, 2781460), (35, 2225168), (40, 1947022), (44, 1770020), (47, 1657040), (55, 1416016), (56, 1390730), (70, 1112584), (77, 1011440), (80, 973511), (88, 885010), (94, 828520), (110, 708008), (112, 695365), (140, 556292), (154, 505720), (176, 442505), (188, 414260), (220, 354004), (235, 331408), (269, 289520), (280, 278146), (308, 252860), (329, 236720), (376, 207130), (385, 202288), (440, 177002), (470, 165704), (517, 150640), (538, 144760), (560, 139073), (616, 126430), (658, 118360), (752, 103565), (770, 101144), (880, 88501), (940, 82852), (1034, 75320), (1076, 72380), (1232, 63215), (1316, 59180), (1345, 57904), (1540, 50572), (1645, 47344), (1880, 41426), (1883, 41360), (2068, 37660), (2152, 36190), (2585, 30128), (2632, 29590), (2690, 28952), (2959, 26320), (3080, 25286), (3290, 23672), (3619, 21520), (3760, 20713), (3766, 20680), (4136, 18830), (4304, 18095), (5170, 15064), (5264, 14795), (5380, 14476), (5918, 13160), (6160, 12643), (6580, 11836), (7238, 10760), (7532, 10340), (8272, 9415)]