1871018520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:1002

約数の個数: 256

約数和(自身を含む): 6718464000

約数和(自身を除く): 4847445480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 29, 30, 35, 40, 42, 56, 58, 60, 70, 84, 87, 89, 105, 116, 120, 140, 145, 168, 174, 178, 203, 210, 232, 267, 280, 290, 348, 356, 406, 420, 435, 445, 534, 580, 609, 623, 696, 712, 812, 840, 863, 870, 890, 1015, 1068, 1160, 1218, 1246, 1335, 1624, 1726, 1740, 1780, 1869, 2030, 2136, 2436, 2492, 2581, 2589, 2670, 3045, 3115, 3452, 3480, 3560, 3738, 4060, 4315, 4872, 4984, 5162, 5178, 5340, 6041, 6090, 6230, 6904, 7476, 7743, 8120, 8630, 9345, 10324, 10356, 10680, 12082, 12180, 12460, 12905, 12945, 14952, 15486, 17260, 18067, 18123, 18690, 20648, 20712, 24164, 24360, 24920, 25027, 25810, 25890, 30205, 30972, 34520, 36134, 36246, 37380, 38715, 48328, 50054, 51620, 51780, 54201, 60410, 61944, 72268, 72492, 74760, 75081, 76807, 77430, 90335, 90615, 100108, 103240, 103560, 108402, 120820, 125135, 144536, 144984, 150162, 153614, 154860, 175189, 180670, 181230, 200216, 216804, 230421, 241640, 250270, 271005, 300324, 307228, 309720, 350378, 361340, 362460, 375405, 384035, 433608, 460842, 500540, 525567, 537649, 542010, 600648, 614456, 700756, 722680, 724920, 750810, 768070, 875945, 921684, 1001080, 1051134, 1075298, 1084020, 1152105, 1401512, 1501620, 1536140, 1612947, 1751890, 1843368, 2102268, 2150596, 2168040, 2227403, 2304210, 2627835, 2688245, 3003240, 3072280, 3225894, 3503780, 4204536, 4301192, 4454806, 4608420, 5255670, 5376490, 6451788, 6682209, 7007560, 8064735, 8909612, 9216840, 10511340, 10752980, 11137015, 12903576, 13364418, 15591821, 16129470, 17819224, 21022680, 21505960, 22274030, 26728836, 31183642, 32258940, 33411045, 44548060, 46775463, 53457672, 62367284, 64517880, 66822090, 77959105, 89096120, 93550926, 124734568, 133644180, 155918210, 187101852, 233877315, 267288360, 311836420, 374203704, 467754630, 623672840, 935509260, 1871018520]

約数ペア:

[(1, 1871018520), (2, 935509260), (3, 623672840), (4, 467754630), (5, 374203704), (6, 311836420), (7, 267288360), (8, 233877315), (10, 187101852), (12, 155918210), (14, 133644180), (15, 124734568), (20, 93550926), (21, 89096120), (24, 77959105), (28, 66822090), (29, 64517880), (30, 62367284), (35, 53457672), (40, 46775463), (42, 44548060), (56, 33411045), (58, 32258940), (60, 31183642), (70, 26728836), (84, 22274030), (87, 21505960), (89, 21022680), (105, 17819224), (116, 16129470), (120, 15591821), (140, 13364418), (145, 12903576), (168, 11137015), (174, 10752980), (178, 10511340), (203, 9216840), (210, 8909612), (232, 8064735), (267, 7007560), (280, 6682209), (290, 6451788), (348, 5376490), (356, 5255670), (406, 4608420), (420, 4454806), (435, 4301192), (445, 4204536), (534, 3503780), (580, 3225894), (609, 3072280), (623, 3003240), (696, 2688245), (712, 2627835), (812, 2304210), (840, 2227403), (863, 2168040), (870, 2150596), (890, 2102268), (1015, 1843368), (1068, 1751890), (1160, 1612947), (1218, 1536140), (1246, 1501620), (1335, 1401512), (1624, 1152105), (1726, 1084020), (1740, 1075298), (1780, 1051134), (1869, 1001080), (2030, 921684), (2136, 875945), (2436, 768070), (2492, 750810), (2581, 724920), (2589, 722680), (2670, 700756), (3045, 614456), (3115, 600648), (3452, 542010), (3480, 537649), (3560, 525567), (3738, 500540), (4060, 460842), (4315, 433608), (4872, 384035), (4984, 375405), (5162, 362460), (5178, 361340), (5340, 350378), (6041, 309720), (6090, 307228), (6230, 300324), (6904, 271005), (7476, 250270), (7743, 241640), (8120, 230421), (8630, 216804), (9345, 200216), (10324, 181230), (10356, 180670), (10680, 175189), (12082, 154860), (12180, 153614), (12460, 150162), (12905, 144984), (12945, 144536), (14952, 125135), (15486, 120820), (17260, 108402), (18067, 103560), (18123, 103240), (18690, 100108), (20648, 90615), (20712, 90335), (24164, 77430), (24360, 76807), (24920, 75081), (25027, 74760), (25810, 72492), (25890, 72268), (30205, 61944), (30972, 60410), (34520, 54201), (36134, 51780), (36246, 51620), (37380, 50054), (38715, 48328)]