77216640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 248814720

約数和(自身を除く): 171598080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 131, 160, 192, 240, 262, 307, 320, 384, 393, 480, 524, 614, 640, 655, 786, 921, 960, 1048, 1228, 1310, 1535, 1572, 1842, 1920, 1965, 2096, 2456, 2620, 3070, 3144, 3684, 3930, 4192, 4605, 4912, 5240, 6140, 6288, 7368, 7860, 8384, 9210, 9824, 10480, 12280, 12576, 14736, 15720, 16768, 18420, 19648, 20960, 24560, 25152, 29472, 31440, 36840, 39296, 40217, 41920, 49120, 50304, 58944, 62880, 73680, 80434, 83840, 98240, 117888, 120651, 125760, 147360, 160868, 196480, 201085, 241302, 251520, 294720, 321736, 402170, 482604, 589440, 603255, 643472, 804340, 965208, 1206510, 1286944, 1608680, 1930416, 2413020, 2573888, 3217360, 3860832, 4826040, 5147776, 6434720, 7721664, 9652080, 12869440, 15443328, 19304160, 25738880, 38608320, 77216640]

約数ペア:

[(1, 77216640), (2, 38608320), (3, 25738880), (4, 19304160), (5, 15443328), (6, 12869440), (8, 9652080), (10, 7721664), (12, 6434720), (15, 5147776), (16, 4826040), (20, 3860832), (24, 3217360), (30, 2573888), (32, 2413020), (40, 1930416), (48, 1608680), (60, 1286944), (64, 1206510), (80, 965208), (96, 804340), (120, 643472), (128, 603255), (131, 589440), (160, 482604), (192, 402170), (240, 321736), (262, 294720), (307, 251520), (320, 241302), (384, 201085), (393, 196480), (480, 160868), (524, 147360), (614, 125760), (640, 120651), (655, 117888), (786, 98240), (921, 83840), (960, 80434), (1048, 73680), (1228, 62880), (1310, 58944), (1535, 50304), (1572, 49120), (1842, 41920), (1920, 40217), (1965, 39296), (2096, 36840), (2456, 31440), (2620, 29472), (3070, 25152), (3144, 24560), (3684, 20960), (3930, 19648), (4192, 18420), (4605, 16768), (4912, 15720), (5240, 14736), (6140, 12576), (6288, 12280), (7368, 10480), (7860, 9824), (8384, 9210)]