128638560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1019}}^1$

素因数の和:1300

約数の個数: 96

約数和(自身を含む): 407151360

約数和(自身を除く): 278512800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 263, 480, 526, 789, 1019, 1052, 1315, 1578, 2038, 2104, 2630, 3057, 3156, 3945, 4076, 4208, 5095, 5260, 6114, 6312, 7890, 8152, 8416, 10190, 10520, 12228, 12624, 15285, 15780, 16304, 20380, 21040, 24456, 25248, 30570, 31560, 32608, 40760, 42080, 48912, 61140, 63120, 81520, 97824, 122280, 126240, 163040, 244560, 267997, 489120, 535994, 803991, 1071988, 1339985, 1607982, 2143976, 2679970, 3215964, 4019955, 4287952, 5359940, 6431928, 8039910, 8575904, 10719880, 12863856, 16079820, 21439760, 25727712, 32159640, 42879520, 64319280, 128638560]

約数ペア:

[(1, 128638560), (2, 64319280), (3, 42879520), (4, 32159640), (5, 25727712), (6, 21439760), (8, 16079820), (10, 12863856), (12, 10719880), (15, 8575904), (16, 8039910), (20, 6431928), (24, 5359940), (30, 4287952), (32, 4019955), (40, 3215964), (48, 2679970), (60, 2143976), (80, 1607982), (96, 1339985), (120, 1071988), (160, 803991), (240, 535994), (263, 489120), (480, 267997), (526, 244560), (789, 163040), (1019, 126240), (1052, 122280), (1315, 97824), (1578, 81520), (2038, 63120), (2104, 61140), (2630, 48912), (3057, 42080), (3156, 40760), (3945, 32608), (4076, 31560), (4208, 30570), (5095, 25248), (5260, 24456), (6114, 21040), (6312, 20380), (7890, 16304), (8152, 15780), (8416, 15285), (10190, 12624), (10520, 12228)]