209321280

素因数分解:

$2^6\times 3^3\times 5^1\times 7^1\times {\mathrm{3461}}^1$

素因数の和:3494

約数の個数: 224

約数和(自身を含む): 844174080

約数和(自身を除く): 634852800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 420, 432, 448, 480, 504, 540, 560, 576, 630, 672, 720, 756, 840, 864, 945, 960, 1008, 1080, 1120, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 2016, 2160, 2240, 2520, 2880, 3024, 3360, 3461, 3780, 4032, 4320, 5040, 6048, 6720, 6922, 7560, 8640, 10080, 10383, 12096, 13844, 15120, 17305, 20160, 20766, 24227, 27688, 30240, 31149, 34610, 41532, 48454, 51915, 55376, 60480, 62298, 69220, 72681, 83064, 93447, 96908, 103830, 110752, 121135, 124596, 138440, 145362, 155745, 166128, 186894, 193816, 207660, 218043, 221504, 242270, 249192, 276880, 290724, 311490, 332256, 363405, 373788, 387632, 415320, 436086, 467235, 484540, 498384, 553760, 581448, 622980, 654129, 664512, 726810, 747576, 775264, 830640, 872172, 934470, 969080, 996768, 1090215, 1107520, 1162896, 1245960, 1308258, 1453620, 1495152, 1550528, 1661280, 1744344, 1868940, 1938160, 1993536, 2180430, 2325792, 2491920, 2616516, 2907240, 2990304, 3270645, 3322560, 3488688, 3737880, 3876320, 4360860, 4651584, 4983840, 5233032, 5814480, 5980608, 6541290, 6977376, 7475760, 7752640, 8721720, 9967680, 10466064, 11628960, 13082580, 13954752, 14951520, 17443440, 20932128, 23257920, 26165160, 29903040, 34886880, 41864256, 52330320, 69773760, 104660640, 209321280]

約数ペア:

[(1, 209321280), (2, 104660640), (3, 69773760), (4, 52330320), (5, 41864256), (6, 34886880), (7, 29903040), (8, 26165160), (9, 23257920), (10, 20932128), (12, 17443440), (14, 14951520), (15, 13954752), (16, 13082580), (18, 11628960), (20, 10466064), (21, 9967680), (24, 8721720), (27, 7752640), (28, 7475760), (30, 6977376), (32, 6541290), (35, 5980608), (36, 5814480), (40, 5233032), (42, 4983840), (45, 4651584), (48, 4360860), (54, 3876320), (56, 3737880), (60, 3488688), (63, 3322560), (64, 3270645), (70, 2990304), (72, 2907240), (80, 2616516), (84, 2491920), (90, 2325792), (96, 2180430), (105, 1993536), (108, 1938160), (112, 1868940), (120, 1744344), (126, 1661280), (135, 1550528), (140, 1495152), (144, 1453620), (160, 1308258), (168, 1245960), (180, 1162896), (189, 1107520), (192, 1090215), (210, 996768), (216, 969080), (224, 934470), (240, 872172), (252, 830640), (270, 775264), (280, 747576), (288, 726810), (315, 664512), (320, 654129), (336, 622980), (360, 581448), (378, 553760), (420, 498384), (432, 484540), (448, 467235), (480, 436086), (504, 415320), (540, 387632), (560, 373788), (576, 363405), (630, 332256), (672, 311490), (720, 290724), (756, 276880), (840, 249192), (864, 242270), (945, 221504), (960, 218043), (1008, 207660), (1080, 193816), (1120, 186894), (1260, 166128), (1344, 155745), (1440, 145362), (1512, 138440), (1680, 124596), (1728, 121135), (1890, 110752), (2016, 103830), (2160, 96908), (2240, 93447), (2520, 83064), (2880, 72681), (3024, 69220), (3360, 62298), (3461, 60480), (3780, 55376), (4032, 51915), (4320, 48454), (5040, 41532), (6048, 34610), (6720, 31149), (6922, 30240), (7560, 27688), (8640, 24227), (10080, 20766), (10383, 20160), (12096, 17305), (13844, 15120)]