128219760

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 200

約数和(自身を含む): 455881536

約数和(自身を除く): 327661776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 108, 120, 135, 141, 144, 162, 180, 188, 216, 235, 240, 270, 282, 324, 360, 376, 405, 421, 423, 432, 470, 540, 564, 648, 705, 720, 752, 810, 842, 846, 940, 1080, 1128, 1263, 1269, 1296, 1410, 1620, 1684, 1692, 1880, 2105, 2115, 2160, 2256, 2526, 2538, 2820, 3240, 3368, 3384, 3760, 3789, 3807, 4210, 4230, 5052, 5076, 5640, 6315, 6345, 6480, 6736, 6768, 7578, 7614, 8420, 8460, 10104, 10152, 11280, 11367, 12630, 12690, 15156, 15228, 16840, 16920, 18945, 19035, 19787, 20208, 20304, 22734, 25260, 25380, 30312, 30456, 33680, 33840, 34101, 37890, 38070, 39574, 45468, 50520, 50760, 56835, 59361, 60624, 60912, 68202, 75780, 76140, 79148, 90936, 98935, 101040, 101520, 113670, 118722, 136404, 151560, 152280, 158296, 170505, 178083, 181872, 197870, 227340, 237444, 272808, 296805, 303120, 304560, 316592, 341010, 356166, 395740, 454680, 474888, 534249, 545616, 593610, 682020, 712332, 791480, 890415, 909360, 949776, 1068498, 1187220, 1364040, 1424664, 1582960, 1602747, 1780830, 2136996, 2374440, 2671245, 2728080, 2849328, 3205494, 3561660, 4273992, 4748880, 5342490, 6410988, 7123320, 8013735, 8547984, 10684980, 12821976, 14246640, 16027470, 21369960, 25643952, 32054940, 42739920, 64109880, 128219760]

約数ペア:

[(1, 128219760), (2, 64109880), (3, 42739920), (4, 32054940), (5, 25643952), (6, 21369960), (8, 16027470), (9, 14246640), (10, 12821976), (12, 10684980), (15, 8547984), (16, 8013735), (18, 7123320), (20, 6410988), (24, 5342490), (27, 4748880), (30, 4273992), (36, 3561660), (40, 3205494), (45, 2849328), (47, 2728080), (48, 2671245), (54, 2374440), (60, 2136996), (72, 1780830), (80, 1602747), (81, 1582960), (90, 1424664), (94, 1364040), (108, 1187220), (120, 1068498), (135, 949776), (141, 909360), (144, 890415), (162, 791480), (180, 712332), (188, 682020), (216, 593610), (235, 545616), (240, 534249), (270, 474888), (282, 454680), (324, 395740), (360, 356166), (376, 341010), (405, 316592), (421, 304560), (423, 303120), (432, 296805), (470, 272808), (540, 237444), (564, 227340), (648, 197870), (705, 181872), (720, 178083), (752, 170505), (810, 158296), (842, 152280), (846, 151560), (940, 136404), (1080, 118722), (1128, 113670), (1263, 101520), (1269, 101040), (1296, 98935), (1410, 90936), (1620, 79148), (1684, 76140), (1692, 75780), (1880, 68202), (2105, 60912), (2115, 60624), (2160, 59361), (2256, 56835), (2526, 50760), (2538, 50520), (2820, 45468), (3240, 39574), (3368, 38070), (3384, 37890), (3760, 34101), (3789, 33840), (3807, 33680), (4210, 30456), (4230, 30312), (5052, 25380), (5076, 25260), (5640, 22734), (6315, 20304), (6345, 20208), (6480, 19787), (6736, 19035), (6768, 18945), (7578, 16920), (7614, 16840), (8420, 15228), (8460, 15156), (10104, 12690), (10152, 12630), (11280, 11367)]