217809720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:750

約数の個数: 192

約数和(自身を含む): 757036800

約数和(自身を除く): 539227080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 31, 36, 40, 45, 58, 60, 62, 72, 87, 90, 93, 116, 120, 124, 145, 155, 174, 180, 186, 232, 248, 261, 279, 290, 310, 348, 360, 372, 435, 465, 522, 558, 580, 620, 673, 696, 744, 870, 899, 930, 1044, 1116, 1160, 1240, 1305, 1346, 1395, 1740, 1798, 1860, 2019, 2088, 2232, 2610, 2692, 2697, 2790, 3365, 3480, 3596, 3720, 4038, 4495, 5220, 5384, 5394, 5580, 6057, 6730, 7192, 8076, 8091, 8990, 10095, 10440, 10788, 11160, 12114, 13460, 13485, 16152, 16182, 17980, 19517, 20190, 20863, 21576, 24228, 26920, 26970, 30285, 32364, 35960, 39034, 40380, 40455, 41726, 48456, 53940, 58551, 60570, 62589, 64728, 78068, 80760, 80910, 83452, 97585, 104315, 107880, 117102, 121140, 125178, 156136, 161820, 166904, 175653, 187767, 195170, 208630, 234204, 242280, 250356, 292755, 312945, 323640, 351306, 375534, 390340, 417260, 468408, 500712, 585510, 605027, 625890, 702612, 751068, 780680, 834520, 878265, 938835, 1171020, 1210054, 1251780, 1405224, 1502136, 1756530, 1815081, 1877670, 2342040, 2420108, 2503560, 3025135, 3513060, 3630162, 3755340, 4840216, 5445243, 6050270, 7026120, 7260324, 7510680, 9075405, 10890486, 12100540, 14520648, 18150810, 21780972, 24201080, 27226215, 36301620, 43561944, 54452430, 72603240, 108904860, 217809720]

約数ペア:

[(1, 217809720), (2, 108904860), (3, 72603240), (4, 54452430), (5, 43561944), (6, 36301620), (8, 27226215), (9, 24201080), (10, 21780972), (12, 18150810), (15, 14520648), (18, 12100540), (20, 10890486), (24, 9075405), (29, 7510680), (30, 7260324), (31, 7026120), (36, 6050270), (40, 5445243), (45, 4840216), (58, 3755340), (60, 3630162), (62, 3513060), (72, 3025135), (87, 2503560), (90, 2420108), (93, 2342040), (116, 1877670), (120, 1815081), (124, 1756530), (145, 1502136), (155, 1405224), (174, 1251780), (180, 1210054), (186, 1171020), (232, 938835), (248, 878265), (261, 834520), (279, 780680), (290, 751068), (310, 702612), (348, 625890), (360, 605027), (372, 585510), (435, 500712), (465, 468408), (522, 417260), (558, 390340), (580, 375534), (620, 351306), (673, 323640), (696, 312945), (744, 292755), (870, 250356), (899, 242280), (930, 234204), (1044, 208630), (1116, 195170), (1160, 187767), (1240, 175653), (1305, 166904), (1346, 161820), (1395, 156136), (1740, 125178), (1798, 121140), (1860, 117102), (2019, 107880), (2088, 104315), (2232, 97585), (2610, 83452), (2692, 80910), (2697, 80760), (2790, 78068), (3365, 64728), (3480, 62589), (3596, 60570), (3720, 58551), (4038, 53940), (4495, 48456), (5220, 41726), (5384, 40455), (5394, 40380), (5580, 39034), (6057, 35960), (6730, 32364), (7192, 30285), (8076, 26970), (8091, 26920), (8990, 24228), (10095, 21576), (10440, 20863), (10788, 20190), (11160, 19517), (12114, 17980), (13460, 16182), (13485, 16152)]