400112640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 264

約数和(自身を含む): 1462540560

約数和(自身を除く): 1062427920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 304, 320, 342, 360, 380, 384, 456, 457, 480, 512, 570, 576, 608, 640, 684, 720, 760, 768, 855, 912, 914, 960, 1024, 1140, 1152, 1216, 1280, 1368, 1371, 1440, 1520, 1536, 1710, 1824, 1828, 1920, 2280, 2285, 2304, 2432, 2560, 2736, 2742, 2880, 3040, 3072, 3420, 3648, 3656, 3840, 4113, 4560, 4570, 4608, 4864, 5120, 5472, 5484, 5760, 6080, 6840, 6855, 7296, 7312, 7680, 8226, 8683, 9120, 9140, 9216, 9728, 10944, 10968, 11520, 12160, 13680, 13710, 14592, 14624, 15360, 16452, 17366, 18240, 18280, 19456, 20565, 21888, 21936, 23040, 24320, 26049, 27360, 27420, 29184, 29248, 32904, 34732, 36480, 36560, 41130, 43415, 43776, 43872, 46080, 48640, 52098, 54720, 54840, 58368, 58496, 65808, 69464, 72960, 73120, 78147, 82260, 86830, 87552, 87744, 97280, 104196, 109440, 109680, 116992, 130245, 131616, 138928, 145920, 146240, 156294, 164520, 173660, 175104, 175488, 208392, 218880, 219360, 233984, 260490, 263232, 277856, 291840, 292480, 312588, 329040, 347320, 350976, 390735, 416784, 437760, 438720, 467968, 520980, 526464, 555712, 584960, 625176, 658080, 694640, 701952, 781470, 833568, 875520, 877440, 1041960, 1052928, 1111424, 1169920, 1250352, 1316160, 1389280, 1403904, 1562940, 1667136, 1754880, 2083920, 2105856, 2222848, 2339840, 2500704, 2632320, 2778560, 3125880, 3334272, 3509760, 4167840, 4211712, 4445696, 5001408, 5264640, 5557120, 6251760, 6668544, 7019520, 8335680, 8891392, 10002816, 10529280, 11114240, 12503520, 13337088, 16671360, 20005632, 21058560, 22228480, 25007040, 26674176, 33342720, 40011264, 44456960, 50014080, 66685440, 80022528, 100028160, 133370880, 200056320, 400112640]

約数ペア:

[(1, 400112640), (2, 200056320), (3, 133370880), (4, 100028160), (5, 80022528), (6, 66685440), (8, 50014080), (9, 44456960), (10, 40011264), (12, 33342720), (15, 26674176), (16, 25007040), (18, 22228480), (19, 21058560), (20, 20005632), (24, 16671360), (30, 13337088), (32, 12503520), (36, 11114240), (38, 10529280), (40, 10002816), (45, 8891392), (48, 8335680), (57, 7019520), (60, 6668544), (64, 6251760), (72, 5557120), (76, 5264640), (80, 5001408), (90, 4445696), (95, 4211712), (96, 4167840), (114, 3509760), (120, 3334272), (128, 3125880), (144, 2778560), (152, 2632320), (160, 2500704), (171, 2339840), (180, 2222848), (190, 2105856), (192, 2083920), (228, 1754880), (240, 1667136), (256, 1562940), (285, 1403904), (288, 1389280), (304, 1316160), (320, 1250352), (342, 1169920), (360, 1111424), (380, 1052928), (384, 1041960), (456, 877440), (457, 875520), (480, 833568), (512, 781470), (570, 701952), (576, 694640), (608, 658080), (640, 625176), (684, 584960), (720, 555712), (760, 526464), (768, 520980), (855, 467968), (912, 438720), (914, 437760), (960, 416784), (1024, 390735), (1140, 350976), (1152, 347320), (1216, 329040), (1280, 312588), (1368, 292480), (1371, 291840), (1440, 277856), (1520, 263232), (1536, 260490), (1710, 233984), (1824, 219360), (1828, 218880), (1920, 208392), (2280, 175488), (2285, 175104), (2304, 173660), (2432, 164520), (2560, 156294), (2736, 146240), (2742, 145920), (2880, 138928), (3040, 131616), (3072, 130245), (3420, 116992), (3648, 109680), (3656, 109440), (3840, 104196), (4113, 97280), (4560, 87744), (4570, 87552), (4608, 86830), (4864, 82260), (5120, 78147), (5472, 73120), (5484, 72960), (5760, 69464), (6080, 65808), (6840, 58496), (6855, 58368), (7296, 54840), (7312, 54720), (7680, 52098), (8226, 48640), (8683, 46080), (9120, 43872), (9140, 43776), (9216, 43415), (9728, 41130), (10944, 36560), (10968, 36480), (11520, 34732), (12160, 32904), (13680, 29248), (13710, 29184), (14592, 27420), (14624, 27360), (15360, 26049), (16452, 24320), (17366, 23040), (18240, 21936), (18280, 21888), (19456, 20565)]