7260040840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{941}}^1$

素因数の和:1403

約数の個数: 128

約数和(自身を含む): 18131389920

約数和(自身を除く): 10871349080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 401, 481, 520, 740, 802, 941, 962, 1480, 1604, 1882, 1924, 2005, 2405, 3208, 3764, 3848, 4010, 4705, 4810, 5213, 7528, 8020, 9410, 9620, 10426, 12233, 14837, 16040, 18820, 19240, 20852, 24466, 26065, 29674, 34817, 37640, 41704, 48932, 52130, 59348, 61165, 69634, 74185, 97864, 104260, 118696, 122330, 139268, 148370, 174085, 192881, 208520, 244660, 278536, 296740, 348170, 377341, 385762, 452621, 489320, 593480, 696340, 754682, 771524, 905242, 964405, 1392680, 1509364, 1543048, 1810484, 1886705, 1928810, 2263105, 3018728, 3620968, 3773410, 3857620, 4526210, 4905433, 7546820, 7715240, 9052420, 9810866, 13961617, 15093640, 18104840, 19621732, 24527165, 27923234, 39243464, 49054330, 55846468, 69808085, 98108660, 111692936, 139616170, 181501021, 196217320, 279232340, 363002042, 558464680, 726004084, 907505105, 1452008168, 1815010210, 3630020420, 7260040840]

約数ペア:

[(1, 7260040840), (2, 3630020420), (4, 1815010210), (5, 1452008168), (8, 907505105), (10, 726004084), (13, 558464680), (20, 363002042), (26, 279232340), (37, 196217320), (40, 181501021), (52, 139616170), (65, 111692936), (74, 98108660), (104, 69808085), (130, 55846468), (148, 49054330), (185, 39243464), (260, 27923234), (296, 24527165), (370, 19621732), (401, 18104840), (481, 15093640), (520, 13961617), (740, 9810866), (802, 9052420), (941, 7715240), (962, 7546820), (1480, 4905433), (1604, 4526210), (1882, 3857620), (1924, 3773410), (2005, 3620968), (2405, 3018728), (3208, 2263105), (3764, 1928810), (3848, 1886705), (4010, 1810484), (4705, 1543048), (4810, 1509364), (5213, 1392680), (7528, 964405), (8020, 905242), (9410, 771524), (9620, 754682), (10426, 696340), (12233, 593480), (14837, 489320), (16040, 452621), (18820, 385762), (19240, 377341), (20852, 348170), (24466, 296740), (26065, 278536), (29674, 244660), (34817, 208520), (37640, 192881), (41704, 174085), (48932, 148370), (52130, 139268), (59348, 122330), (61165, 118696), (69634, 104260), (74185, 97864)]