1818781440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1055

約数の個数: 288

約数和(自身を含む): 6739117056

約数和(自身を除く): 4920335616

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 71, 80, 84, 96, 105, 112, 120, 128, 140, 142, 160, 168, 192, 210, 213, 224, 240, 256, 280, 284, 320, 336, 355, 384, 420, 426, 448, 480, 497, 560, 568, 640, 672, 710, 768, 840, 852, 896, 953, 960, 994, 1065, 1120, 1136, 1280, 1344, 1420, 1491, 1680, 1704, 1792, 1906, 1920, 1988, 2130, 2240, 2272, 2485, 2688, 2840, 2859, 2982, 3360, 3408, 3812, 3840, 3976, 4260, 4480, 4544, 4765, 4970, 5376, 5680, 5718, 5964, 6671, 6720, 6816, 7455, 7624, 7952, 8520, 8960, 9088, 9530, 9940, 11360, 11436, 11928, 13342, 13440, 13632, 14295, 14910, 15248, 15904, 17040, 18176, 19060, 19880, 20013, 22720, 22872, 23856, 26684, 26880, 27264, 28590, 29820, 30496, 31808, 33355, 34080, 38120, 39760, 40026, 45440, 45744, 47712, 53368, 54528, 57180, 59640, 60992, 63616, 66710, 67663, 68160, 76240, 79520, 80052, 90880, 91488, 95424, 100065, 106736, 114360, 119280, 121984, 127232, 133420, 135326, 136320, 152480, 159040, 160104, 182976, 190848, 200130, 202989, 213472, 228720, 238560, 243968, 266840, 270652, 272640, 304960, 318080, 320208, 338315, 365952, 381696, 400260, 405978, 426944, 457440, 473641, 477120, 533680, 541304, 609920, 636160, 640416, 676630, 731904, 800520, 811956, 853888, 914880, 947282, 954240, 1014945, 1067360, 1082608, 1219840, 1280832, 1353260, 1420923, 1601040, 1623912, 1707776, 1829760, 1894564, 1908480, 2029890, 2134720, 2165216, 2368205, 2561664, 2706520, 2841846, 3202080, 3247824, 3659520, 3789128, 4059780, 4269440, 4330432, 4736410, 5123328, 5413040, 5683692, 6404160, 6495648, 7104615, 7578256, 8119560, 8538880, 8660864, 9472820, 10826080, 11367384, 12808320, 12991296, 14209230, 15156512, 16239120, 17321728, 18945640, 21652160, 22734768, 25616640, 25982592, 28418460, 30313024, 32478240, 37891280, 43304320, 45469536, 51965184, 56836920, 60626048, 64956480, 75782560, 86608640, 90939072, 113673840, 121252096, 129912960, 151565120, 181878144, 227347680, 259825920, 303130240, 363756288, 454695360, 606260480, 909390720, 1818781440]

約数ペア:

[(1, 1818781440), (2, 909390720), (3, 606260480), (4, 454695360), (5, 363756288), (6, 303130240), (7, 259825920), (8, 227347680), (10, 181878144), (12, 151565120), (14, 129912960), (15, 121252096), (16, 113673840), (20, 90939072), (21, 86608640), (24, 75782560), (28, 64956480), (30, 60626048), (32, 56836920), (35, 51965184), (40, 45469536), (42, 43304320), (48, 37891280), (56, 32478240), (60, 30313024), (64, 28418460), (70, 25982592), (71, 25616640), (80, 22734768), (84, 21652160), (96, 18945640), (105, 17321728), (112, 16239120), (120, 15156512), (128, 14209230), (140, 12991296), (142, 12808320), (160, 11367384), (168, 10826080), (192, 9472820), (210, 8660864), (213, 8538880), (224, 8119560), (240, 7578256), (256, 7104615), (280, 6495648), (284, 6404160), (320, 5683692), (336, 5413040), (355, 5123328), (384, 4736410), (420, 4330432), (426, 4269440), (448, 4059780), (480, 3789128), (497, 3659520), (560, 3247824), (568, 3202080), (640, 2841846), (672, 2706520), (710, 2561664), (768, 2368205), (840, 2165216), (852, 2134720), (896, 2029890), (953, 1908480), (960, 1894564), (994, 1829760), (1065, 1707776), (1120, 1623912), (1136, 1601040), (1280, 1420923), (1344, 1353260), (1420, 1280832), (1491, 1219840), (1680, 1082608), (1704, 1067360), (1792, 1014945), (1906, 954240), (1920, 947282), (1988, 914880), (2130, 853888), (2240, 811956), (2272, 800520), (2485, 731904), (2688, 676630), (2840, 640416), (2859, 636160), (2982, 609920), (3360, 541304), (3408, 533680), (3812, 477120), (3840, 473641), (3976, 457440), (4260, 426944), (4480, 405978), (4544, 400260), (4765, 381696), (4970, 365952), (5376, 338315), (5680, 320208), (5718, 318080), (5964, 304960), (6671, 272640), (6720, 270652), (6816, 266840), (7455, 243968), (7624, 238560), (7952, 228720), (8520, 213472), (8960, 202989), (9088, 200130), (9530, 190848), (9940, 182976), (11360, 160104), (11436, 159040), (11928, 152480), (13342, 136320), (13440, 135326), (13632, 133420), (14295, 127232), (14910, 121984), (15248, 119280), (15904, 114360), (17040, 106736), (18176, 100065), (19060, 95424), (19880, 91488), (20013, 90880), (22720, 80052), (22872, 79520), (23856, 76240), (26684, 68160), (26880, 67663), (27264, 66710), (28590, 63616), (29820, 60992), (30496, 59640), (31808, 57180), (33355, 54528), (34080, 53368), (38120, 47712), (39760, 45744), (40026, 45440)]