128645280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 192

約数和(自身を含む): 456382080

約数和(自身を除く): 327736800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 97, 108, 120, 135, 144, 160, 180, 194, 216, 240, 270, 288, 291, 307, 360, 388, 432, 480, 485, 540, 582, 614, 720, 776, 864, 873, 921, 970, 1080, 1164, 1228, 1440, 1455, 1535, 1552, 1746, 1842, 1940, 2160, 2328, 2456, 2619, 2763, 2910, 3070, 3104, 3492, 3684, 3880, 4320, 4365, 4605, 4656, 4912, 5238, 5526, 5820, 6140, 6984, 7368, 7760, 8289, 8730, 9210, 9312, 9824, 10476, 11052, 11640, 12280, 13095, 13815, 13968, 14736, 15520, 16578, 17460, 18420, 20952, 22104, 23280, 24560, 26190, 27630, 27936, 29472, 29779, 33156, 34920, 36840, 41445, 41904, 44208, 46560, 49120, 52380, 55260, 59558, 66312, 69840, 73680, 82890, 83808, 88416, 89337, 104760, 110520, 119116, 132624, 139680, 147360, 148895, 165780, 178674, 209520, 221040, 238232, 265248, 268011, 297790, 331560, 357348, 419040, 442080, 446685, 476464, 536022, 595580, 663120, 714696, 804033, 893370, 952928, 1072044, 1191160, 1326240, 1340055, 1429392, 1608066, 1786740, 2144088, 2382320, 2680110, 2858784, 3216132, 3573480, 4020165, 4288176, 4764640, 5360220, 6432264, 7146960, 8040330, 8576352, 10720440, 12864528, 14293920, 16080660, 21440880, 25729056, 32161320, 42881760, 64322640, 128645280]

約数ペア:

[(1, 128645280), (2, 64322640), (3, 42881760), (4, 32161320), (5, 25729056), (6, 21440880), (8, 16080660), (9, 14293920), (10, 12864528), (12, 10720440), (15, 8576352), (16, 8040330), (18, 7146960), (20, 6432264), (24, 5360220), (27, 4764640), (30, 4288176), (32, 4020165), (36, 3573480), (40, 3216132), (45, 2858784), (48, 2680110), (54, 2382320), (60, 2144088), (72, 1786740), (80, 1608066), (90, 1429392), (96, 1340055), (97, 1326240), (108, 1191160), (120, 1072044), (135, 952928), (144, 893370), (160, 804033), (180, 714696), (194, 663120), (216, 595580), (240, 536022), (270, 476464), (288, 446685), (291, 442080), (307, 419040), (360, 357348), (388, 331560), (432, 297790), (480, 268011), (485, 265248), (540, 238232), (582, 221040), (614, 209520), (720, 178674), (776, 165780), (864, 148895), (873, 147360), (921, 139680), (970, 132624), (1080, 119116), (1164, 110520), (1228, 104760), (1440, 89337), (1455, 88416), (1535, 83808), (1552, 82890), (1746, 73680), (1842, 69840), (1940, 66312), (2160, 59558), (2328, 55260), (2456, 52380), (2619, 49120), (2763, 46560), (2910, 44208), (3070, 41904), (3104, 41445), (3492, 36840), (3684, 34920), (3880, 33156), (4320, 29779), (4365, 29472), (4605, 27936), (4656, 27630), (4912, 26190), (5238, 24560), (5526, 23280), (5820, 22104), (6140, 20952), (6984, 18420), (7368, 17460), (7760, 16578), (8289, 15520), (8730, 14736), (9210, 13968), (9312, 13815), (9824, 13095), (10476, 12280), (11052, 11640)]