80547720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:603

約数の個数: 128

約数和(自身を含む): 266112000

約数和(自身を除く): 185564280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 139, 165, 220, 264, 278, 330, 417, 439, 440, 556, 660, 695, 834, 878, 1112, 1317, 1320, 1390, 1529, 1668, 1756, 2085, 2195, 2634, 2780, 3058, 3336, 3512, 4170, 4390, 4587, 4829, 5268, 5560, 6116, 6585, 7645, 8340, 8780, 9174, 9658, 10536, 12232, 13170, 14487, 15290, 16680, 17560, 18348, 19316, 22935, 24145, 26340, 28974, 30580, 36696, 38632, 45870, 48290, 52680, 57948, 61021, 61160, 72435, 91740, 96580, 115896, 122042, 144870, 183063, 183480, 193160, 244084, 289740, 305105, 366126, 488168, 579480, 610210, 671231, 732252, 915315, 1220420, 1342462, 1464504, 1830630, 2013693, 2440840, 2684924, 3356155, 3661260, 4027386, 5369848, 6712310, 7322520, 8054772, 10068465, 13424620, 16109544, 20136930, 26849240, 40273860, 80547720]

約数ペア:

[(1, 80547720), (2, 40273860), (3, 26849240), (4, 20136930), (5, 16109544), (6, 13424620), (8, 10068465), (10, 8054772), (11, 7322520), (12, 6712310), (15, 5369848), (20, 4027386), (22, 3661260), (24, 3356155), (30, 2684924), (33, 2440840), (40, 2013693), (44, 1830630), (55, 1464504), (60, 1342462), (66, 1220420), (88, 915315), (110, 732252), (120, 671231), (132, 610210), (139, 579480), (165, 488168), (220, 366126), (264, 305105), (278, 289740), (330, 244084), (417, 193160), (439, 183480), (440, 183063), (556, 144870), (660, 122042), (695, 115896), (834, 96580), (878, 91740), (1112, 72435), (1317, 61160), (1320, 61021), (1390, 57948), (1529, 52680), (1668, 48290), (1756, 45870), (2085, 38632), (2195, 36696), (2634, 30580), (2780, 28974), (3058, 26340), (3336, 24145), (3512, 22935), (4170, 19316), (4390, 18348), (4587, 17560), (4829, 16680), (5268, 15290), (5560, 14487), (6116, 13170), (6585, 12232), (7645, 10536), (8340, 9658), (8780, 9174)]