253761660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 180

約数和(自身を含む): 827613864

約数和(自身を除く): 573852204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 163, 180, 186, 270, 279, 310, 324, 326, 372, 405, 465, 489, 540, 558, 620, 652, 810, 815, 837, 930, 961, 978, 1116, 1395, 1467, 1620, 1630, 1674, 1860, 1922, 1956, 2445, 2511, 2790, 2883, 2934, 3260, 3348, 3844, 4185, 4401, 4805, 4890, 5022, 5053, 5580, 5766, 5868, 7335, 8370, 8649, 8802, 9610, 9780, 10044, 10106, 11532, 12555, 13203, 14415, 14670, 15159, 16740, 17298, 17604, 19220, 20212, 22005, 25110, 25265, 25947, 26406, 28830, 29340, 30318, 34596, 43245, 44010, 45477, 50220, 50530, 51894, 52812, 57660, 60636, 66015, 75795, 77841, 86490, 88020, 90954, 101060, 103788, 129735, 132030, 136431, 151590, 155682, 156643, 172980, 181908, 227385, 259470, 264060, 272862, 303180, 311364, 313286, 389205, 409293, 454770, 469929, 518940, 545724, 626572, 682155, 778410, 783215, 818586, 909540, 939858, 1364310, 1409787, 1556820, 1566430, 1637172, 1879716, 2046465, 2349645, 2728620, 2819574, 3132860, 4092930, 4229361, 4699290, 5639148, 7048935, 8185860, 8458722, 9398580, 12688083, 14097870, 16917444, 21146805, 25376166, 28195740, 42293610, 50752332, 63440415, 84587220, 126880830, 253761660]

約数ペア:

[(1, 253761660), (2, 126880830), (3, 84587220), (4, 63440415), (5, 50752332), (6, 42293610), (9, 28195740), (10, 25376166), (12, 21146805), (15, 16917444), (18, 14097870), (20, 12688083), (27, 9398580), (30, 8458722), (31, 8185860), (36, 7048935), (45, 5639148), (54, 4699290), (60, 4229361), (62, 4092930), (81, 3132860), (90, 2819574), (93, 2728620), (108, 2349645), (124, 2046465), (135, 1879716), (155, 1637172), (162, 1566430), (163, 1556820), (180, 1409787), (186, 1364310), (270, 939858), (279, 909540), (310, 818586), (324, 783215), (326, 778410), (372, 682155), (405, 626572), (465, 545724), (489, 518940), (540, 469929), (558, 454770), (620, 409293), (652, 389205), (810, 313286), (815, 311364), (837, 303180), (930, 272862), (961, 264060), (978, 259470), (1116, 227385), (1395, 181908), (1467, 172980), (1620, 156643), (1630, 155682), (1674, 151590), (1860, 136431), (1922, 132030), (1956, 129735), (2445, 103788), (2511, 101060), (2790, 90954), (2883, 88020), (2934, 86490), (3260, 77841), (3348, 75795), (3844, 66015), (4185, 60636), (4401, 57660), (4805, 52812), (4890, 51894), (5022, 50530), (5053, 50220), (5580, 45477), (5766, 44010), (5868, 43245), (7335, 34596), (8370, 30318), (8649, 29340), (8802, 28830), (9610, 26406), (9780, 25947), (10044, 25265), (10106, 25110), (11532, 22005), (12555, 20212), (13203, 19220), (14415, 17604), (14670, 17298), (15159, 16740)]