138556980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 180

約数和(自身を含む): 454178340

約数和(自身を除く): 315621360

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 89, 90, 93, 108, 124, 135, 155, 162, 178, 180, 186, 267, 270, 279, 310, 324, 356, 372, 405, 445, 465, 534, 540, 558, 620, 801, 810, 837, 890, 930, 961, 1068, 1116, 1335, 1395, 1602, 1620, 1674, 1780, 1860, 1922, 2403, 2511, 2670, 2759, 2790, 2883, 3204, 3348, 3844, 4005, 4185, 4805, 4806, 5022, 5340, 5518, 5580, 5766, 7209, 8010, 8277, 8370, 8649, 9610, 9612, 10044, 11036, 11532, 12015, 12555, 13795, 14415, 14418, 16020, 16554, 16740, 17298, 19220, 24030, 24831, 25110, 25947, 27590, 28830, 28836, 33108, 34596, 36045, 41385, 43245, 48060, 49662, 50220, 51894, 55180, 57660, 72090, 74493, 77841, 82770, 85529, 86490, 99324, 103788, 124155, 129735, 144180, 148986, 155682, 165540, 171058, 172980, 223479, 248310, 256587, 259470, 297972, 311364, 342116, 372465, 389205, 427645, 446958, 496620, 513174, 518940, 744930, 769761, 778410, 855290, 893916, 1026348, 1117395, 1282935, 1489860, 1539522, 1556820, 1710580, 2234790, 2309283, 2565870, 3079044, 3848805, 4469580, 4618566, 5131740, 6927849, 7697610, 9237132, 11546415, 13855698, 15395220, 23092830, 27711396, 34639245, 46185660, 69278490, 138556980]

約数ペア:

[(1, 138556980), (2, 69278490), (3, 46185660), (4, 34639245), (5, 27711396), (6, 23092830), (9, 15395220), (10, 13855698), (12, 11546415), (15, 9237132), (18, 7697610), (20, 6927849), (27, 5131740), (30, 4618566), (31, 4469580), (36, 3848805), (45, 3079044), (54, 2565870), (60, 2309283), (62, 2234790), (81, 1710580), (89, 1556820), (90, 1539522), (93, 1489860), (108, 1282935), (124, 1117395), (135, 1026348), (155, 893916), (162, 855290), (178, 778410), (180, 769761), (186, 744930), (267, 518940), (270, 513174), (279, 496620), (310, 446958), (324, 427645), (356, 389205), (372, 372465), (405, 342116), (445, 311364), (465, 297972), (534, 259470), (540, 256587), (558, 248310), (620, 223479), (801, 172980), (810, 171058), (837, 165540), (890, 155682), (930, 148986), (961, 144180), (1068, 129735), (1116, 124155), (1335, 103788), (1395, 99324), (1602, 86490), (1620, 85529), (1674, 82770), (1780, 77841), (1860, 74493), (1922, 72090), (2403, 57660), (2511, 55180), (2670, 51894), (2759, 50220), (2790, 49662), (2883, 48060), (3204, 43245), (3348, 41385), (3844, 36045), (4005, 34596), (4185, 33108), (4805, 28836), (4806, 28830), (5022, 27590), (5340, 25947), (5518, 25110), (5580, 24831), (5766, 24030), (7209, 19220), (8010, 17298), (8277, 16740), (8370, 16554), (8649, 16020), (9610, 14418), (9612, 14415), (10044, 13795), (11036, 12555), (11532, 12015)]