291421440

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:685

約数の個数: 216

約数和(自身を含む): 1034554248

約数和(自身を除く): 743132808

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 64, 72, 80, 82, 90, 96, 120, 123, 128, 144, 160, 164, 180, 192, 205, 240, 246, 256, 288, 320, 328, 360, 369, 384, 410, 480, 492, 576, 615, 617, 640, 656, 720, 738, 768, 820, 960, 984, 1152, 1230, 1234, 1280, 1312, 1440, 1476, 1640, 1845, 1851, 1920, 1968, 2304, 2460, 2468, 2624, 2880, 2952, 3085, 3280, 3690, 3702, 3840, 3936, 4920, 4936, 5248, 5553, 5760, 5904, 6170, 6560, 7380, 7404, 7872, 9255, 9840, 9872, 10496, 11106, 11520, 11808, 12340, 13120, 14760, 14808, 15744, 18510, 19680, 19744, 22212, 23616, 24680, 25297, 26240, 27765, 29520, 29616, 31488, 37020, 39360, 39488, 44424, 47232, 49360, 50594, 52480, 55530, 59040, 59232, 74040, 75891, 78720, 78976, 88848, 94464, 98720, 101188, 111060, 118080, 118464, 126485, 148080, 151782, 157440, 157952, 177696, 197440, 202376, 222120, 227673, 236160, 236928, 252970, 296160, 303564, 355392, 379455, 394880, 404752, 444240, 455346, 472320, 473856, 505940, 592320, 607128, 710784, 758910, 789760, 809504, 888480, 910692, 1011880, 1138365, 1184640, 1214256, 1421568, 1517820, 1619008, 1776960, 1821384, 2023760, 2276730, 2369280, 2428512, 3035640, 3238016, 3553920, 3642768, 4047520, 4553460, 4857024, 6071280, 6476032, 7107840, 7285536, 8095040, 9106920, 9714048, 12142560, 14571072, 16190080, 18213840, 19428096, 24285120, 29142144, 32380160, 36427680, 48570240, 58284288, 72855360, 97140480, 145710720, 291421440]

約数ペア:

[(1, 291421440), (2, 145710720), (3, 97140480), (4, 72855360), (5, 58284288), (6, 48570240), (8, 36427680), (9, 32380160), (10, 29142144), (12, 24285120), (15, 19428096), (16, 18213840), (18, 16190080), (20, 14571072), (24, 12142560), (30, 9714048), (32, 9106920), (36, 8095040), (40, 7285536), (41, 7107840), (45, 6476032), (48, 6071280), (60, 4857024), (64, 4553460), (72, 4047520), (80, 3642768), (82, 3553920), (90, 3238016), (96, 3035640), (120, 2428512), (123, 2369280), (128, 2276730), (144, 2023760), (160, 1821384), (164, 1776960), (180, 1619008), (192, 1517820), (205, 1421568), (240, 1214256), (246, 1184640), (256, 1138365), (288, 1011880), (320, 910692), (328, 888480), (360, 809504), (369, 789760), (384, 758910), (410, 710784), (480, 607128), (492, 592320), (576, 505940), (615, 473856), (617, 472320), (640, 455346), (656, 444240), (720, 404752), (738, 394880), (768, 379455), (820, 355392), (960, 303564), (984, 296160), (1152, 252970), (1230, 236928), (1234, 236160), (1280, 227673), (1312, 222120), (1440, 202376), (1476, 197440), (1640, 177696), (1845, 157952), (1851, 157440), (1920, 151782), (1968, 148080), (2304, 126485), (2460, 118464), (2468, 118080), (2624, 111060), (2880, 101188), (2952, 98720), (3085, 94464), (3280, 88848), (3690, 78976), (3702, 78720), (3840, 75891), (3936, 74040), (4920, 59232), (4936, 59040), (5248, 55530), (5553, 52480), (5760, 50594), (5904, 49360), (6170, 47232), (6560, 44424), (7380, 39488), (7404, 39360), (7872, 37020), (9255, 31488), (9840, 29616), (9872, 29520), (10496, 27765), (11106, 26240), (11520, 25297), (11808, 24680), (12340, 23616), (13120, 22212), (14760, 19744), (14808, 19680), (15744, 18510)]