320181120

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{2647}}^1$

素因数の和:2682

約数の個数: 256

約数和(自身を含む): 1296460800

約数和(自身を除く): 976279680

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, 2647, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5294, 5760, 6048, 6720, 7560, 7941, 8064, 8640, 10080, 10588, 12096, 13235, 13440, 15120, 15882, 17280, 18529, 20160, 21176, 23823, 24192, 26470, 30240, 31764, 37058, 39705, 40320, 42352, 47646, 52940, 55587, 60480, 63528, 71469, 74116, 79410, 84704, 92645, 95292, 105880, 111174, 119115, 120960, 127056, 142938, 148232, 158820, 166761, 169408, 185290, 190584, 211760, 222348, 238230, 254112, 277935, 285876, 296464, 317640, 333522, 338816, 357345, 370580, 381168, 423520, 444696, 476460, 500283, 508224, 555870, 571752, 592928, 635280, 667044, 714690, 741160, 762336, 833805, 847040, 889392, 952920, 1000566, 1016448, 1111740, 1143504, 1185856, 1270560, 1334088, 1429380, 1482320, 1524672, 1667610, 1694080, 1778784, 1905840, 2001132, 2223480, 2287008, 2371712, 2501415, 2541120, 2668176, 2858760, 2964640, 3049344, 3335220, 3557568, 3811680, 4002264, 4446960, 4574016, 5002830, 5082240, 5336352, 5717520, 5929280, 6670440, 7115136, 7623360, 8004528, 8893920, 9148032, 10005660, 10672704, 11435040, 11858560, 13340880, 15246720, 16009056, 17787840, 20011320, 21345408, 22870080, 26681760, 32018112, 35575680, 40022640, 45740160, 53363520, 64036224, 80045280, 106727040, 160090560, 320181120]

約数ペア:

[(1, 320181120), (2, 160090560), (3, 106727040), (4, 80045280), (5, 64036224), (6, 53363520), (7, 45740160), (8, 40022640), (9, 35575680), (10, 32018112), (12, 26681760), (14, 22870080), (15, 21345408), (16, 20011320), (18, 17787840), (20, 16009056), (21, 15246720), (24, 13340880), (27, 11858560), (28, 11435040), (30, 10672704), (32, 10005660), (35, 9148032), (36, 8893920), (40, 8004528), (42, 7623360), (45, 7115136), (48, 6670440), (54, 5929280), (56, 5717520), (60, 5336352), (63, 5082240), (64, 5002830), (70, 4574016), (72, 4446960), (80, 4002264), (84, 3811680), (90, 3557568), (96, 3335220), (105, 3049344), (108, 2964640), (112, 2858760), (120, 2668176), (126, 2541120), (128, 2501415), (135, 2371712), (140, 2287008), (144, 2223480), (160, 2001132), (168, 1905840), (180, 1778784), (189, 1694080), (192, 1667610), (210, 1524672), (216, 1482320), (224, 1429380), (240, 1334088), (252, 1270560), (270, 1185856), (280, 1143504), (288, 1111740), (315, 1016448), (320, 1000566), (336, 952920), (360, 889392), (378, 847040), (384, 833805), (420, 762336), (432, 741160), (448, 714690), (480, 667044), (504, 635280), (540, 592928), (560, 571752), (576, 555870), (630, 508224), (640, 500283), (672, 476460), (720, 444696), (756, 423520), (840, 381168), (864, 370580), (896, 357345), (945, 338816), (960, 333522), (1008, 317640), (1080, 296464), (1120, 285876), (1152, 277935), (1260, 254112), (1344, 238230), (1440, 222348), (1512, 211760), (1680, 190584), (1728, 185290), (1890, 169408), (1920, 166761), (2016, 158820), (2160, 148232), (2240, 142938), (2520, 127056), (2647, 120960), (2688, 119115), (2880, 111174), (3024, 105880), (3360, 95292), (3456, 92645), (3780, 84704), (4032, 79410), (4320, 74116), (4480, 71469), (5040, 63528), (5294, 60480), (5760, 55587), (6048, 52940), (6720, 47646), (7560, 42352), (7941, 40320), (8064, 39705), (8640, 37058), (10080, 31764), (10588, 30240), (12096, 26470), (13235, 24192), (13440, 23823), (15120, 21176), (15882, 20160), (17280, 18529)]