171985380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 192

約数和(自身を含む): 574801920

約数和(自身を除く): 402816540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 89, 105, 107, 129, 140, 172, 178, 210, 214, 215, 258, 267, 301, 321, 356, 420, 428, 430, 445, 516, 534, 535, 602, 623, 642, 645, 749, 860, 890, 903, 1068, 1070, 1204, 1246, 1284, 1290, 1335, 1498, 1505, 1605, 1780, 1806, 1869, 2140, 2247, 2492, 2580, 2670, 2996, 3010, 3115, 3210, 3612, 3738, 3745, 3827, 4494, 4515, 4601, 5340, 6020, 6230, 6420, 7476, 7490, 7654, 8988, 9030, 9202, 9345, 9523, 11235, 11481, 12460, 13803, 14980, 15308, 18060, 18404, 18690, 19046, 19135, 22470, 22962, 23005, 26789, 27606, 28569, 32207, 37380, 38092, 38270, 44940, 45924, 46010, 47615, 53578, 55212, 57138, 57405, 64414, 66661, 69015, 76540, 80367, 92020, 95230, 96621, 107156, 114276, 114810, 128828, 133322, 133945, 138030, 142845, 160734, 161035, 190460, 193242, 199983, 229620, 266644, 267890, 276060, 285690, 321468, 322070, 333305, 386484, 399966, 401835, 409489, 483105, 535780, 571380, 644140, 666610, 799932, 803670, 818978, 966210, 999915, 1228467, 1333220, 1607340, 1637956, 1932420, 1999830, 2047445, 2456934, 2866423, 3999660, 4094890, 4913868, 5732846, 6142335, 8189780, 8599269, 11465692, 12284670, 14332115, 17198538, 24569340, 28664230, 34397076, 42996345, 57328460, 85992690, 171985380]

約数ペア:

[(1, 171985380), (2, 85992690), (3, 57328460), (4, 42996345), (5, 34397076), (6, 28664230), (7, 24569340), (10, 17198538), (12, 14332115), (14, 12284670), (15, 11465692), (20, 8599269), (21, 8189780), (28, 6142335), (30, 5732846), (35, 4913868), (42, 4094890), (43, 3999660), (60, 2866423), (70, 2456934), (84, 2047445), (86, 1999830), (89, 1932420), (105, 1637956), (107, 1607340), (129, 1333220), (140, 1228467), (172, 999915), (178, 966210), (210, 818978), (214, 803670), (215, 799932), (258, 666610), (267, 644140), (301, 571380), (321, 535780), (356, 483105), (420, 409489), (428, 401835), (430, 399966), (445, 386484), (516, 333305), (534, 322070), (535, 321468), (602, 285690), (623, 276060), (642, 267890), (645, 266644), (749, 229620), (860, 199983), (890, 193242), (903, 190460), (1068, 161035), (1070, 160734), (1204, 142845), (1246, 138030), (1284, 133945), (1290, 133322), (1335, 128828), (1498, 114810), (1505, 114276), (1605, 107156), (1780, 96621), (1806, 95230), (1869, 92020), (2140, 80367), (2247, 76540), (2492, 69015), (2580, 66661), (2670, 64414), (2996, 57405), (3010, 57138), (3115, 55212), (3210, 53578), (3612, 47615), (3738, 46010), (3745, 45924), (3827, 44940), (4494, 38270), (4515, 38092), (4601, 37380), (5340, 32207), (6020, 28569), (6230, 27606), (6420, 26789), (7476, 23005), (7490, 22962), (7654, 22470), (8988, 19135), (9030, 19046), (9202, 18690), (9345, 18404), (9523, 18060), (11235, 15308), (11481, 14980), (12460, 13803)]