400945320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{971}}^1$

素因数の和:1056

約数の個数: 192

約数和(自身を含む): 1382883840

約数和(自身を除く): 981938520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 37, 40, 45, 60, 62, 72, 74, 90, 93, 111, 120, 124, 148, 155, 180, 185, 186, 222, 248, 279, 296, 310, 333, 360, 370, 372, 444, 465, 555, 558, 620, 666, 740, 744, 888, 930, 971, 1110, 1116, 1147, 1240, 1332, 1395, 1480, 1665, 1860, 1942, 2220, 2232, 2294, 2664, 2790, 2913, 3330, 3441, 3720, 3884, 4440, 4588, 4855, 5580, 5735, 5826, 6660, 6882, 7768, 8739, 9176, 9710, 10323, 11160, 11470, 11652, 13320, 13764, 14565, 17205, 17478, 19420, 20646, 22940, 23304, 27528, 29130, 30101, 34410, 34956, 35927, 38840, 41292, 43695, 45880, 51615, 58260, 60202, 68820, 69912, 71854, 82584, 87390, 90303, 103230, 107781, 116520, 120404, 137640, 143708, 150505, 174780, 179635, 180606, 206460, 215562, 240808, 270909, 287416, 301010, 323343, 349560, 359270, 361212, 412920, 431124, 451515, 538905, 541818, 602020, 646686, 718540, 722424, 862248, 903030, 1077810, 1083636, 1113737, 1204040, 1293372, 1354545, 1437080, 1616715, 1806060, 2155620, 2167272, 2227474, 2586744, 2709090, 3233430, 3341211, 3612120, 4311240, 4454948, 5418180, 5568685, 6466860, 6682422, 8909896, 10023633, 10836360, 11137370, 12933720, 13364844, 16706055, 20047266, 22274740, 26729688, 33412110, 40094532, 44549480, 50118165, 66824220, 80189064, 100236330, 133648440, 200472660, 400945320]

約数ペア:

[(1, 400945320), (2, 200472660), (3, 133648440), (4, 100236330), (5, 80189064), (6, 66824220), (8, 50118165), (9, 44549480), (10, 40094532), (12, 33412110), (15, 26729688), (18, 22274740), (20, 20047266), (24, 16706055), (30, 13364844), (31, 12933720), (36, 11137370), (37, 10836360), (40, 10023633), (45, 8909896), (60, 6682422), (62, 6466860), (72, 5568685), (74, 5418180), (90, 4454948), (93, 4311240), (111, 3612120), (120, 3341211), (124, 3233430), (148, 2709090), (155, 2586744), (180, 2227474), (185, 2167272), (186, 2155620), (222, 1806060), (248, 1616715), (279, 1437080), (296, 1354545), (310, 1293372), (333, 1204040), (360, 1113737), (370, 1083636), (372, 1077810), (444, 903030), (465, 862248), (555, 722424), (558, 718540), (620, 646686), (666, 602020), (740, 541818), (744, 538905), (888, 451515), (930, 431124), (971, 412920), (1110, 361212), (1116, 359270), (1147, 349560), (1240, 323343), (1332, 301010), (1395, 287416), (1480, 270909), (1665, 240808), (1860, 215562), (1942, 206460), (2220, 180606), (2232, 179635), (2294, 174780), (2664, 150505), (2790, 143708), (2913, 137640), (3330, 120404), (3441, 116520), (3720, 107781), (3884, 103230), (4440, 90303), (4588, 87390), (4855, 82584), (5580, 71854), (5735, 69912), (5826, 68820), (6660, 60202), (6882, 58260), (7768, 51615), (8739, 45880), (9176, 43695), (9710, 41292), (10323, 38840), (11160, 35927), (11470, 34956), (11652, 34410), (13320, 30101), (13764, 29130), (14565, 27528), (17205, 23304), (17478, 22940), (19420, 20646)]