684717660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{345817}}^1$

素因数の和:345843

約数の個数: 72

約数和(自身を含む): 2265799536

約数和(自身を除く): 1581081876

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 345817, 691634, 1037451, 1383268, 1729085, 2074902, 3112353, 3458170, 3803987, 4149804, 5187255, 6224706, 6916340, 7607974, 10374510, 11411961, 12449412, 15215948, 15561765, 19019935, 20749020, 22823922, 31123530, 34235883, 38039870, 45647844, 57059805, 62247060, 68471766, 76079740, 114119610, 136943532, 171179415, 228239220, 342358830, 684717660]

約数ペア:

[(1, 684717660), (2, 342358830), (3, 228239220), (4, 171179415), (5, 136943532), (6, 114119610), (9, 76079740), (10, 68471766), (11, 62247060), (12, 57059805), (15, 45647844), (18, 38039870), (20, 34235883), (22, 31123530), (30, 22823922), (33, 20749020), (36, 19019935), (44, 15561765), (45, 15215948), (55, 12449412), (60, 11411961), (66, 10374510), (90, 7607974), (99, 6916340), (110, 6224706), (132, 5187255), (165, 4149804), (180, 3803987), (198, 3458170), (220, 3112353), (330, 2074902), (396, 1729085), (495, 1383268), (660, 1037451), (990, 691634), (1980, 345817)]