309288240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 240

約数和(自身を含む): 1108188000

約数和(自身を除く): 798899760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 108, 120, 124, 135, 144, 149, 155, 180, 186, 216, 240, 248, 270, 279, 298, 310, 360, 372, 432, 447, 465, 496, 540, 558, 596, 620, 720, 744, 745, 837, 894, 930, 961, 1080, 1116, 1192, 1240, 1341, 1395, 1488, 1490, 1674, 1788, 1860, 1922, 2160, 2232, 2235, 2384, 2480, 2682, 2790, 2883, 2980, 3348, 3576, 3720, 3844, 4023, 4185, 4464, 4470, 4619, 4805, 5364, 5580, 5766, 5960, 6696, 6705, 7152, 7440, 7688, 8046, 8370, 8649, 8940, 9238, 9610, 10728, 11160, 11532, 11920, 13392, 13410, 13857, 14415, 15376, 16092, 16740, 17298, 17880, 18476, 19220, 20115, 21456, 22320, 23064, 23095, 25947, 26820, 27714, 28830, 32184, 33480, 34596, 35760, 36952, 38440, 40230, 41571, 43245, 46128, 46190, 51894, 53640, 55428, 57660, 64368, 66960, 69192, 69285, 73904, 76880, 80460, 83142, 86490, 92380, 103788, 107280, 110856, 115320, 124713, 129735, 138384, 138570, 143189, 160920, 166284, 172980, 184760, 207576, 207855, 221712, 230640, 249426, 259470, 277140, 286378, 321840, 332568, 345960, 369520, 415152, 415710, 429567, 498852, 518940, 554280, 572756, 623565, 665136, 691920, 715945, 831420, 859134, 997704, 1037880, 1108560, 1145512, 1247130, 1288701, 1431890, 1662840, 1718268, 1995408, 2075760, 2147835, 2291024, 2494260, 2577402, 2863780, 3325680, 3436536, 3866103, 4295670, 4988520, 5154804, 5727560, 6443505, 6873072, 7732206, 8591340, 9977040, 10309608, 11455120, 12887010, 15464412, 17182680, 19330515, 20619216, 25774020, 30928824, 34365360, 38661030, 51548040, 61857648, 77322060, 103096080, 154644120, 309288240]

約数ペア:

[(1, 309288240), (2, 154644120), (3, 103096080), (4, 77322060), (5, 61857648), (6, 51548040), (8, 38661030), (9, 34365360), (10, 30928824), (12, 25774020), (15, 20619216), (16, 19330515), (18, 17182680), (20, 15464412), (24, 12887010), (27, 11455120), (30, 10309608), (31, 9977040), (36, 8591340), (40, 7732206), (45, 6873072), (48, 6443505), (54, 5727560), (60, 5154804), (62, 4988520), (72, 4295670), (80, 3866103), (90, 3436536), (93, 3325680), (108, 2863780), (120, 2577402), (124, 2494260), (135, 2291024), (144, 2147835), (149, 2075760), (155, 1995408), (180, 1718268), (186, 1662840), (216, 1431890), (240, 1288701), (248, 1247130), (270, 1145512), (279, 1108560), (298, 1037880), (310, 997704), (360, 859134), (372, 831420), (432, 715945), (447, 691920), (465, 665136), (496, 623565), (540, 572756), (558, 554280), (596, 518940), (620, 498852), (720, 429567), (744, 415710), (745, 415152), (837, 369520), (894, 345960), (930, 332568), (961, 321840), (1080, 286378), (1116, 277140), (1192, 259470), (1240, 249426), (1341, 230640), (1395, 221712), (1488, 207855), (1490, 207576), (1674, 184760), (1788, 172980), (1860, 166284), (1922, 160920), (2160, 143189), (2232, 138570), (2235, 138384), (2384, 129735), (2480, 124713), (2682, 115320), (2790, 110856), (2883, 107280), (2980, 103788), (3348, 92380), (3576, 86490), (3720, 83142), (3844, 80460), (4023, 76880), (4185, 73904), (4464, 69285), (4470, 69192), (4619, 66960), (4805, 64368), (5364, 57660), (5580, 55428), (5766, 53640), (5960, 51894), (6696, 46190), (6705, 46128), (7152, 43245), (7440, 41571), (7688, 40230), (8046, 38440), (8370, 36952), (8649, 35760), (8940, 34596), (9238, 33480), (9610, 32184), (10728, 28830), (11160, 27714), (11532, 26820), (11920, 25947), (13392, 23095), (13410, 23064), (13857, 22320), (14415, 21456), (15376, 20115), (16092, 19220), (16740, 18476), (17298, 17880)]