65518560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 225729504

約数和(自身を除く): 160210944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 173, 180, 240, 263, 288, 346, 360, 480, 519, 526, 692, 720, 789, 865, 1038, 1052, 1315, 1384, 1440, 1557, 1578, 1730, 2076, 2104, 2367, 2595, 2630, 2768, 3114, 3156, 3460, 3945, 4152, 4208, 4734, 5190, 5260, 5536, 6228, 6312, 6920, 7785, 7890, 8304, 8416, 9468, 10380, 10520, 11835, 12456, 12624, 13840, 15570, 15780, 16608, 18936, 20760, 21040, 23670, 24912, 25248, 27680, 31140, 31560, 37872, 41520, 42080, 45499, 47340, 49824, 62280, 63120, 75744, 83040, 90998, 94680, 124560, 126240, 136497, 181996, 189360, 227495, 249120, 272994, 363992, 378720, 409491, 454990, 545988, 682485, 727984, 818982, 909980, 1091976, 1364970, 1455968, 1637964, 1819960, 2047455, 2183952, 2729940, 3275928, 3639920, 4094910, 4367904, 5459880, 6551856, 7279840, 8189820, 10919760, 13103712, 16379640, 21839520, 32759280, 65518560]

約数ペア:

[(1, 65518560), (2, 32759280), (3, 21839520), (4, 16379640), (5, 13103712), (6, 10919760), (8, 8189820), (9, 7279840), (10, 6551856), (12, 5459880), (15, 4367904), (16, 4094910), (18, 3639920), (20, 3275928), (24, 2729940), (30, 2183952), (32, 2047455), (36, 1819960), (40, 1637964), (45, 1455968), (48, 1364970), (60, 1091976), (72, 909980), (80, 818982), (90, 727984), (96, 682485), (120, 545988), (144, 454990), (160, 409491), (173, 378720), (180, 363992), (240, 272994), (263, 249120), (288, 227495), (346, 189360), (360, 181996), (480, 136497), (519, 126240), (526, 124560), (692, 94680), (720, 90998), (789, 83040), (865, 75744), (1038, 63120), (1052, 62280), (1315, 49824), (1384, 47340), (1440, 45499), (1557, 42080), (1578, 41520), (1730, 37872), (2076, 31560), (2104, 31140), (2367, 27680), (2595, 25248), (2630, 24912), (2768, 23670), (3114, 21040), (3156, 20760), (3460, 18936), (3945, 16608), (4152, 15780), (4208, 15570), (4734, 13840), (5190, 12624), (5260, 12456), (5536, 11835), (6228, 10520), (6312, 10380), (6920, 9468), (7785, 8416), (7890, 8304)]