668368440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 2237414400

約数和(自身を除く): 1569045960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 71, 72, 79, 90, 120, 142, 158, 180, 213, 237, 284, 316, 331, 355, 360, 395, 426, 474, 568, 632, 639, 662, 710, 711, 790, 852, 948, 993, 1065, 1185, 1278, 1324, 1420, 1422, 1580, 1655, 1704, 1896, 1986, 2130, 2370, 2556, 2648, 2840, 2844, 2979, 3160, 3195, 3310, 3555, 3972, 4260, 4740, 4965, 5112, 5609, 5688, 5958, 6390, 6620, 7110, 7944, 8520, 9480, 9930, 11218, 11916, 12780, 13240, 14220, 14895, 16827, 19860, 22436, 23501, 23832, 25560, 26149, 28045, 28440, 29790, 33654, 39720, 44872, 47002, 50481, 52298, 56090, 59580, 67308, 70503, 78447, 84135, 94004, 100962, 104596, 112180, 117505, 119160, 130745, 134616, 141006, 156894, 168270, 188008, 201924, 209192, 211509, 224360, 235010, 235341, 252405, 261490, 282012, 313788, 336540, 352515, 392235, 403848, 423018, 470020, 470682, 504810, 522980, 564024, 627576, 673080, 705030, 784470, 846036, 940040, 941364, 1009620, 1045960, 1057545, 1176705, 1410060, 1568940, 1692072, 1856579, 1882728, 2019240, 2115090, 2353410, 2820120, 3137880, 3713158, 4230180, 4706820, 5569737, 7426316, 8460360, 9282895, 9413640, 11139474, 14852632, 16709211, 18565790, 22278948, 27848685, 33418422, 37131580, 44557896, 55697370, 66836844, 74263160, 83546055, 111394740, 133673688, 167092110, 222789480, 334184220, 668368440]

約数ペア:

[(1, 668368440), (2, 334184220), (3, 222789480), (4, 167092110), (5, 133673688), (6, 111394740), (8, 83546055), (9, 74263160), (10, 66836844), (12, 55697370), (15, 44557896), (18, 37131580), (20, 33418422), (24, 27848685), (30, 22278948), (36, 18565790), (40, 16709211), (45, 14852632), (60, 11139474), (71, 9413640), (72, 9282895), (79, 8460360), (90, 7426316), (120, 5569737), (142, 4706820), (158, 4230180), (180, 3713158), (213, 3137880), (237, 2820120), (284, 2353410), (316, 2115090), (331, 2019240), (355, 1882728), (360, 1856579), (395, 1692072), (426, 1568940), (474, 1410060), (568, 1176705), (632, 1057545), (639, 1045960), (662, 1009620), (710, 941364), (711, 940040), (790, 846036), (852, 784470), (948, 705030), (993, 673080), (1065, 627576), (1185, 564024), (1278, 522980), (1324, 504810), (1420, 470682), (1422, 470020), (1580, 423018), (1655, 403848), (1704, 392235), (1896, 352515), (1986, 336540), (2130, 313788), (2370, 282012), (2556, 261490), (2648, 252405), (2840, 235341), (2844, 235010), (2979, 224360), (3160, 211509), (3195, 209192), (3310, 201924), (3555, 188008), (3972, 168270), (4260, 156894), (4740, 141006), (4965, 134616), (5112, 130745), (5609, 119160), (5688, 117505), (5958, 112180), (6390, 104596), (6620, 100962), (7110, 94004), (7944, 84135), (8520, 78447), (9480, 70503), (9930, 67308), (11218, 59580), (11916, 56090), (12780, 52298), (13240, 50481), (14220, 47002), (14895, 44872), (16827, 39720), (19860, 33654), (22436, 29790), (23501, 28440), (23832, 28045), (25560, 26149)]