213250920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:539

約数の個数: 128

約数和(自身を含む): 667180800

約数和(自身を除く): 453929880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 233, 263, 290, 348, 435, 466, 526, 580, 696, 699, 789, 870, 932, 1052, 1160, 1165, 1315, 1398, 1578, 1740, 1864, 2104, 2330, 2630, 2796, 3156, 3480, 3495, 3945, 4660, 5260, 5592, 6312, 6757, 6990, 7627, 7890, 9320, 10520, 13514, 13980, 15254, 15780, 20271, 22881, 27028, 27960, 30508, 31560, 33785, 38135, 40542, 45762, 54056, 61016, 61279, 67570, 76270, 81084, 91524, 101355, 114405, 122558, 135140, 152540, 162168, 183048, 183837, 202710, 228810, 245116, 270280, 305080, 306395, 367674, 405420, 457620, 490232, 612790, 735348, 810840, 915240, 919185, 1225580, 1470696, 1777091, 1838370, 2451160, 3554182, 3676740, 5331273, 7108364, 7353480, 8885455, 10662546, 14216728, 17770910, 21325092, 26656365, 35541820, 42650184, 53312730, 71083640, 106625460, 213250920]

約数ペア:

[(1, 213250920), (2, 106625460), (3, 71083640), (4, 53312730), (5, 42650184), (6, 35541820), (8, 26656365), (10, 21325092), (12, 17770910), (15, 14216728), (20, 10662546), (24, 8885455), (29, 7353480), (30, 7108364), (40, 5331273), (58, 3676740), (60, 3554182), (87, 2451160), (116, 1838370), (120, 1777091), (145, 1470696), (174, 1225580), (232, 919185), (233, 915240), (263, 810840), (290, 735348), (348, 612790), (435, 490232), (466, 457620), (526, 405420), (580, 367674), (696, 306395), (699, 305080), (789, 270280), (870, 245116), (932, 228810), (1052, 202710), (1160, 183837), (1165, 183048), (1315, 162168), (1398, 152540), (1578, 135140), (1740, 122558), (1864, 114405), (2104, 101355), (2330, 91524), (2630, 81084), (2796, 76270), (3156, 67570), (3480, 61279), (3495, 61016), (3945, 54056), (4660, 45762), (5260, 40542), (5592, 38135), (6312, 33785), (6757, 31560), (6990, 30508), (7627, 27960), (7890, 27028), (9320, 22881), (10520, 20271), (13514, 15780), (13980, 15254)]