400014720

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{3307}}^1$

素因数の和:3342

約数の個数: 256

約数和(自身を含む): 1619596800

約数和(自身を除く): 1219582080

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, 2688, 2880, 3024, 3307, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5760, 6048, 6614, 6720, 7560, 8064, 8640, 9921, 10080, 12096, 13228, 13440, 15120, 16535, 17280, 19842, 20160, 23149, 24192, 26456, 29763, 30240, 33070, 39684, 40320, 46298, 49605, 52912, 59526, 60480, 66140, 69447, 79368, 89289, 92596, 99210, 105824, 115745, 119052, 120960, 132280, 138894, 148815, 158736, 178578, 185192, 198420, 208341, 211648, 231490, 238104, 264560, 277788, 297630, 317472, 347235, 357156, 370384, 396840, 416682, 423296, 446445, 462980, 476208, 529120, 555576, 595260, 625023, 634944, 694470, 714312, 740768, 793680, 833364, 892890, 925960, 952416, 1041705, 1058240, 1111152, 1190520, 1250046, 1269888, 1388940, 1428624, 1481536, 1587360, 1666728, 1785780, 1851920, 1904832, 2083410, 2116480, 2222304, 2381040, 2500092, 2777880, 2857248, 2963072, 3125115, 3174720, 3333456, 3571560, 3703840, 3809664, 4166820, 4444608, 4762080, 5000184, 5555760, 5714496, 6250230, 6349440, 6666912, 7143120, 7407680, 8333640, 8889216, 9524160, 10000368, 11111520, 11428992, 12500460, 13333824, 14286240, 14815360, 16667280, 19048320, 20000736, 22223040, 25000920, 26667648, 28572480, 33334560, 40001472, 44446080, 50001840, 57144960, 66669120, 80002944, 100003680, 133338240, 200007360, 400014720]

約数ペア:

[(1, 400014720), (2, 200007360), (3, 133338240), (4, 100003680), (5, 80002944), (6, 66669120), (7, 57144960), (8, 50001840), (9, 44446080), (10, 40001472), (12, 33334560), (14, 28572480), (15, 26667648), (16, 25000920), (18, 22223040), (20, 20000736), (21, 19048320), (24, 16667280), (27, 14815360), (28, 14286240), (30, 13333824), (32, 12500460), (35, 11428992), (36, 11111520), (40, 10000368), (42, 9524160), (45, 8889216), (48, 8333640), (54, 7407680), (56, 7143120), (60, 6666912), (63, 6349440), (64, 6250230), (70, 5714496), (72, 5555760), (80, 5000184), (84, 4762080), (90, 4444608), (96, 4166820), (105, 3809664), (108, 3703840), (112, 3571560), (120, 3333456), (126, 3174720), (128, 3125115), (135, 2963072), (140, 2857248), (144, 2777880), (160, 2500092), (168, 2381040), (180, 2222304), (189, 2116480), (192, 2083410), (210, 1904832), (216, 1851920), (224, 1785780), (240, 1666728), (252, 1587360), (270, 1481536), (280, 1428624), (288, 1388940), (315, 1269888), (320, 1250046), (336, 1190520), (360, 1111152), (378, 1058240), (384, 1041705), (420, 952416), (432, 925960), (448, 892890), (480, 833364), (504, 793680), (540, 740768), (560, 714312), (576, 694470), (630, 634944), (640, 625023), (672, 595260), (720, 555576), (756, 529120), (840, 476208), (864, 462980), (896, 446445), (945, 423296), (960, 416682), (1008, 396840), (1080, 370384), (1120, 357156), (1152, 347235), (1260, 317472), (1344, 297630), (1440, 277788), (1512, 264560), (1680, 238104), (1728, 231490), (1890, 211648), (1920, 208341), (2016, 198420), (2160, 185192), (2240, 178578), (2520, 158736), (2688, 148815), (2880, 138894), (3024, 132280), (3307, 120960), (3360, 119052), (3456, 115745), (3780, 105824), (4032, 99210), (4320, 92596), (4480, 89289), (5040, 79368), (5760, 69447), (6048, 66140), (6614, 60480), (6720, 59526), (7560, 52912), (8064, 49605), (8640, 46298), (9921, 40320), (10080, 39684), (12096, 33070), (13228, 30240), (13440, 29763), (15120, 26456), (16535, 24192), (17280, 23149), (19842, 20160)]