131279940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:224

約数の個数: 240

約数和(自身を含む): 461039040

約数和(自身を除く): 329759100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 53, 54, 55, 60, 66, 81, 90, 99, 106, 108, 110, 132, 135, 139, 159, 162, 165, 180, 198, 212, 220, 265, 270, 278, 297, 318, 324, 330, 396, 405, 417, 477, 495, 530, 540, 556, 583, 594, 636, 660, 695, 795, 810, 834, 891, 954, 990, 1060, 1166, 1188, 1251, 1390, 1431, 1485, 1529, 1590, 1620, 1668, 1749, 1782, 1908, 1980, 2085, 2332, 2385, 2502, 2780, 2862, 2915, 2970, 3058, 3180, 3498, 3564, 3753, 4170, 4293, 4455, 4587, 4770, 5004, 5247, 5724, 5830, 5940, 6116, 6255, 6996, 7155, 7367, 7506, 7645, 8340, 8586, 8745, 8910, 9174, 9540, 10494, 11259, 11660, 12510, 13761, 14310, 14734, 15012, 15290, 15741, 17172, 17490, 17820, 18348, 18765, 20988, 21465, 22101, 22518, 22935, 25020, 26235, 27522, 28620, 29468, 30580, 31482, 34980, 36835, 37530, 41283, 42930, 44202, 45036, 45870, 47223, 52470, 55044, 56295, 62964, 66303, 68805, 73670, 75060, 78705, 81037, 82566, 85860, 88404, 91740, 94446, 104940, 110505, 112590, 123849, 132606, 137610, 147340, 157410, 162074, 165132, 188892, 198909, 206415, 221010, 225180, 236115, 243111, 247698, 265212, 275220, 314820, 324148, 331515, 397818, 405185, 412830, 442020, 472230, 486222, 495396, 596727, 619245, 663030, 729333, 795636, 810370, 825660, 944460, 972444, 994545, 1193454, 1215555, 1238490, 1326060, 1458666, 1620740, 1989090, 2187999, 2386908, 2431110, 2476980, 2917332, 2983635, 3646665, 3978180, 4375998, 4862220, 5967270, 6563997, 7293330, 8751996, 10939995, 11934540, 13127994, 14586660, 21879990, 26255988, 32819985, 43759980, 65639970, 131279940]

約数ペア:

[(1, 131279940), (2, 65639970), (3, 43759980), (4, 32819985), (5, 26255988), (6, 21879990), (9, 14586660), (10, 13127994), (11, 11934540), (12, 10939995), (15, 8751996), (18, 7293330), (20, 6563997), (22, 5967270), (27, 4862220), (30, 4375998), (33, 3978180), (36, 3646665), (44, 2983635), (45, 2917332), (53, 2476980), (54, 2431110), (55, 2386908), (60, 2187999), (66, 1989090), (81, 1620740), (90, 1458666), (99, 1326060), (106, 1238490), (108, 1215555), (110, 1193454), (132, 994545), (135, 972444), (139, 944460), (159, 825660), (162, 810370), (165, 795636), (180, 729333), (198, 663030), (212, 619245), (220, 596727), (265, 495396), (270, 486222), (278, 472230), (297, 442020), (318, 412830), (324, 405185), (330, 397818), (396, 331515), (405, 324148), (417, 314820), (477, 275220), (495, 265212), (530, 247698), (540, 243111), (556, 236115), (583, 225180), (594, 221010), (636, 206415), (660, 198909), (695, 188892), (795, 165132), (810, 162074), (834, 157410), (891, 147340), (954, 137610), (990, 132606), (1060, 123849), (1166, 112590), (1188, 110505), (1251, 104940), (1390, 94446), (1431, 91740), (1485, 88404), (1529, 85860), (1590, 82566), (1620, 81037), (1668, 78705), (1749, 75060), (1782, 73670), (1908, 68805), (1980, 66303), (2085, 62964), (2332, 56295), (2385, 55044), (2502, 52470), (2780, 47223), (2862, 45870), (2915, 45036), (2970, 44202), (3058, 42930), (3180, 41283), (3498, 37530), (3564, 36835), (3753, 34980), (4170, 31482), (4293, 30580), (4455, 29468), (4587, 28620), (4770, 27522), (5004, 26235), (5247, 25020), (5724, 22935), (5830, 22518), (5940, 22101), (6116, 21465), (6255, 20988), (6996, 18765), (7155, 18348), (7367, 17820), (7506, 17490), (7645, 17172), (8340, 15741), (8586, 15290), (8745, 15012), (8910, 14734), (9174, 14310), (9540, 13761), (10494, 12510), (11259, 11660)]