31791870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1889}}^1$

素因数の和:1930

約数の個数: 96

約数和(自身を含む): 95528160

約数和(自身を除く): 63736290

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 153, 165, 170, 187, 198, 255, 306, 330, 374, 495, 510, 561, 765, 935, 990, 1122, 1530, 1683, 1870, 1889, 2805, 3366, 3778, 5610, 5667, 8415, 9445, 11334, 16830, 17001, 18890, 20779, 28335, 32113, 34002, 41558, 56670, 62337, 64226, 85005, 96339, 103895, 124674, 160565, 170010, 187011, 192678, 207790, 289017, 311685, 321130, 353243, 374022, 481695, 578034, 623370, 706486, 935055, 963390, 1059729, 1445085, 1766215, 1870110, 2119458, 2890170, 3179187, 3532430, 5298645, 6358374, 10597290, 15895935, 31791870]

約数ペア:

[(1, 31791870), (2, 15895935), (3, 10597290), (5, 6358374), (6, 5298645), (9, 3532430), (10, 3179187), (11, 2890170), (15, 2119458), (17, 1870110), (18, 1766215), (22, 1445085), (30, 1059729), (33, 963390), (34, 935055), (45, 706486), (51, 623370), (55, 578034), (66, 481695), (85, 374022), (90, 353243), (99, 321130), (102, 311685), (110, 289017), (153, 207790), (165, 192678), (170, 187011), (187, 170010), (198, 160565), (255, 124674), (306, 103895), (330, 96339), (374, 85005), (495, 64226), (510, 62337), (561, 56670), (765, 41558), (935, 34002), (990, 32113), (1122, 28335), (1530, 20779), (1683, 18890), (1870, 17001), (1889, 16830), (2805, 11334), (3366, 9445), (3778, 8415), (5610, 5667)]