309294720

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{2557}}^1$

素因数の和:2592

約数の個数: 256

約数和(自身を含む): 1252396800

約数和(自身を除く): 943102080

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, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2557, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5114, 5760, 6048, 6720, 7560, 7671, 8064, 8640, 10080, 10228, 12096, 12785, 13440, 15120, 15342, 17280, 17899, 20160, 20456, 23013, 24192, 25570, 30240, 30684, 35798, 38355, 40320, 40912, 46026, 51140, 53697, 60480, 61368, 69039, 71596, 76710, 81824, 89495, 92052, 102280, 107394, 115065, 120960, 122736, 138078, 143192, 153420, 161091, 163648, 178990, 184104, 204560, 214788, 230130, 245472, 268485, 276156, 286384, 306840, 322182, 327296, 345195, 357980, 368208, 409120, 429576, 460260, 483273, 490944, 536970, 552312, 572768, 613680, 644364, 690390, 715960, 736416, 805455, 818240, 859152, 920520, 966546, 981888, 1073940, 1104624, 1145536, 1227360, 1288728, 1380780, 1431920, 1472832, 1610910, 1636480, 1718304, 1841040, 1933092, 2147880, 2209248, 2291072, 2416365, 2454720, 2577456, 2761560, 2863840, 2945664, 3221820, 3436608, 3682080, 3866184, 4295760, 4418496, 4832730, 4909440, 5154912, 5523120, 5727680, 6443640, 6873216, 7364160, 7732368, 8591520, 8836992, 9665460, 10309824, 11046240, 11455360, 12887280, 14728320, 15464736, 17183040, 19330920, 20619648, 22092480, 25774560, 30929472, 34366080, 38661840, 44184960, 51549120, 61858944, 77323680, 103098240, 154647360, 309294720]

約数ペア:

[(1, 309294720), (2, 154647360), (3, 103098240), (4, 77323680), (5, 61858944), (6, 51549120), (7, 44184960), (8, 38661840), (9, 34366080), (10, 30929472), (12, 25774560), (14, 22092480), (15, 20619648), (16, 19330920), (18, 17183040), (20, 15464736), (21, 14728320), (24, 12887280), (27, 11455360), (28, 11046240), (30, 10309824), (32, 9665460), (35, 8836992), (36, 8591520), (40, 7732368), (42, 7364160), (45, 6873216), (48, 6443640), (54, 5727680), (56, 5523120), (60, 5154912), (63, 4909440), (64, 4832730), (70, 4418496), (72, 4295760), (80, 3866184), (84, 3682080), (90, 3436608), (96, 3221820), (105, 2945664), (108, 2863840), (112, 2761560), (120, 2577456), (126, 2454720), (128, 2416365), (135, 2291072), (140, 2209248), (144, 2147880), (160, 1933092), (168, 1841040), (180, 1718304), (189, 1636480), (192, 1610910), (210, 1472832), (216, 1431920), (224, 1380780), (240, 1288728), (252, 1227360), (270, 1145536), (280, 1104624), (288, 1073940), (315, 981888), (320, 966546), (336, 920520), (360, 859152), (378, 818240), (384, 805455), (420, 736416), (432, 715960), (448, 690390), (480, 644364), (504, 613680), (540, 572768), (560, 552312), (576, 536970), (630, 490944), (640, 483273), (672, 460260), (720, 429576), (756, 409120), (840, 368208), (864, 357980), (896, 345195), (945, 327296), (960, 322182), (1008, 306840), (1080, 286384), (1120, 276156), (1152, 268485), (1260, 245472), (1344, 230130), (1440, 214788), (1512, 204560), (1680, 184104), (1728, 178990), (1890, 163648), (1920, 161091), (2016, 153420), (2160, 143192), (2240, 138078), (2520, 122736), (2557, 120960), (2688, 115065), (2880, 107394), (3024, 102280), (3360, 92052), (3456, 89495), (3780, 81824), (4032, 76710), (4320, 71596), (4480, 69039), (5040, 61368), (5114, 60480), (5760, 53697), (6048, 51140), (6720, 46026), (7560, 40912), (7671, 40320), (8064, 38355), (8640, 35798), (10080, 30684), (10228, 30240), (12096, 25570), (12785, 24192), (13440, 23013), (15120, 20456), (15342, 20160), (17280, 17899)]