628457580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 1971889920

約数和(自身を除く): 1343432340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 197, 222, 333, 370, 394, 444, 479, 555, 591, 666, 740, 788, 958, 985, 1110, 1182, 1332, 1437, 1665, 1773, 1916, 1970, 2220, 2364, 2395, 2874, 2955, 3330, 3546, 3940, 4311, 4790, 5748, 5910, 6660, 7092, 7185, 7289, 8622, 8865, 9580, 11820, 14370, 14578, 17244, 17723, 17730, 21555, 21867, 28740, 29156, 35446, 35460, 36445, 43110, 43734, 53169, 65601, 70892, 72890, 86220, 87468, 88615, 94363, 106338, 109335, 131202, 145780, 159507, 177230, 188726, 212676, 218670, 262404, 265845, 283089, 319014, 328005, 354460, 377452, 437340, 471815, 531690, 566178, 638028, 656010, 797535, 849267, 943630, 1063380, 1132356, 1312020, 1415445, 1595070, 1698534, 1887260, 2830890, 3190140, 3397068, 3491431, 4246335, 5661780, 6982862, 8492670, 10474293, 13965724, 16985340, 17457155, 20948586, 31422879, 34914310, 41897172, 52371465, 62845758, 69828620, 104742930, 125691516, 157114395, 209485860, 314228790, 628457580]

約数ペア:

[(1, 628457580), (2, 314228790), (3, 209485860), (4, 157114395), (5, 125691516), (6, 104742930), (9, 69828620), (10, 62845758), (12, 52371465), (15, 41897172), (18, 34914310), (20, 31422879), (30, 20948586), (36, 17457155), (37, 16985340), (45, 13965724), (60, 10474293), (74, 8492670), (90, 6982862), (111, 5661780), (148, 4246335), (180, 3491431), (185, 3397068), (197, 3190140), (222, 2830890), (333, 1887260), (370, 1698534), (394, 1595070), (444, 1415445), (479, 1312020), (555, 1132356), (591, 1063380), (666, 943630), (740, 849267), (788, 797535), (958, 656010), (985, 638028), (1110, 566178), (1182, 531690), (1332, 471815), (1437, 437340), (1665, 377452), (1773, 354460), (1916, 328005), (1970, 319014), (2220, 283089), (2364, 265845), (2395, 262404), (2874, 218670), (2955, 212676), (3330, 188726), (3546, 177230), (3940, 159507), (4311, 145780), (4790, 131202), (5748, 109335), (5910, 106338), (6660, 94363), (7092, 88615), (7185, 87468), (7289, 86220), (8622, 72890), (8865, 70892), (9580, 65601), (11820, 53169), (14370, 43734), (14578, 43110), (17244, 36445), (17723, 35460), (17730, 35446), (21555, 29156), (21867, 28740)]