178799940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1031

約数の個数: 192

約数和(自身を含む): 627056640

約数和(自身を除く): 448256700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 31, 33, 36, 44, 45, 54, 55, 60, 62, 66, 90, 93, 99, 108, 110, 124, 132, 135, 155, 165, 180, 186, 198, 220, 270, 279, 297, 310, 330, 341, 372, 396, 465, 495, 540, 558, 594, 620, 660, 682, 837, 930, 971, 990, 1023, 1116, 1188, 1364, 1395, 1485, 1674, 1705, 1860, 1942, 1980, 2046, 2790, 2913, 2970, 3069, 3348, 3410, 3884, 4092, 4185, 4855, 5115, 5580, 5826, 5940, 6138, 6820, 8370, 8739, 9207, 9710, 10230, 10681, 11652, 12276, 14565, 15345, 16740, 17478, 18414, 19420, 20460, 21362, 26217, 29130, 30101, 30690, 32043, 34956, 36828, 42724, 43695, 46035, 52434, 53405, 58260, 60202, 61380, 64086, 87390, 90303, 92070, 96129, 104868, 106810, 120404, 128172, 131085, 150505, 160215, 174780, 180606, 184140, 192258, 213620, 262170, 270909, 288387, 301010, 320430, 331111, 361212, 384516, 451515, 480645, 524340, 541818, 576774, 602020, 640860, 662222, 812727, 903030, 961290, 993333, 1083636, 1153548, 1324444, 1354545, 1441935, 1625454, 1655555, 1806060, 1922580, 1986666, 2709090, 2883870, 2979999, 3250908, 3311110, 3973332, 4063635, 4966665, 5418180, 5767740, 5959998, 6622220, 8127270, 8939997, 9933330, 11919996, 14899995, 16254540, 17879994, 19866660, 29799990, 35759988, 44699985, 59599980, 89399970, 178799940]

約数ペア:

[(1, 178799940), (2, 89399970), (3, 59599980), (4, 44699985), (5, 35759988), (6, 29799990), (9, 19866660), (10, 17879994), (11, 16254540), (12, 14899995), (15, 11919996), (18, 9933330), (20, 8939997), (22, 8127270), (27, 6622220), (30, 5959998), (31, 5767740), (33, 5418180), (36, 4966665), (44, 4063635), (45, 3973332), (54, 3311110), (55, 3250908), (60, 2979999), (62, 2883870), (66, 2709090), (90, 1986666), (93, 1922580), (99, 1806060), (108, 1655555), (110, 1625454), (124, 1441935), (132, 1354545), (135, 1324444), (155, 1153548), (165, 1083636), (180, 993333), (186, 961290), (198, 903030), (220, 812727), (270, 662222), (279, 640860), (297, 602020), (310, 576774), (330, 541818), (341, 524340), (372, 480645), (396, 451515), (465, 384516), (495, 361212), (540, 331111), (558, 320430), (594, 301010), (620, 288387), (660, 270909), (682, 262170), (837, 213620), (930, 192258), (971, 184140), (990, 180606), (1023, 174780), (1116, 160215), (1188, 150505), (1364, 131085), (1395, 128172), (1485, 120404), (1674, 106810), (1705, 104868), (1860, 96129), (1942, 92070), (1980, 90303), (2046, 87390), (2790, 64086), (2913, 61380), (2970, 60202), (3069, 58260), (3348, 53405), (3410, 52434), (3884, 46035), (4092, 43695), (4185, 42724), (4855, 36828), (5115, 34956), (5580, 32043), (5826, 30690), (5940, 30101), (6138, 29130), (6820, 26217), (8370, 21362), (8739, 20460), (9207, 19420), (9710, 18414), (10230, 17478), (10681, 16740), (11652, 15345), (12276, 14565)]