254141280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 192

約数和(自身を含む): 900849600

約数和(自身を除く): 646708320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 89, 90, 96, 108, 120, 135, 144, 160, 178, 180, 216, 240, 267, 270, 288, 356, 360, 432, 445, 480, 534, 540, 661, 712, 720, 801, 864, 890, 1068, 1080, 1322, 1335, 1424, 1440, 1602, 1780, 1983, 2136, 2160, 2403, 2644, 2670, 2848, 3204, 3305, 3560, 3966, 4005, 4272, 4320, 4806, 5288, 5340, 5949, 6408, 6610, 7120, 7932, 8010, 8544, 9612, 9915, 10576, 10680, 11898, 12015, 12816, 13220, 14240, 15864, 16020, 17847, 19224, 19830, 21152, 21360, 23796, 24030, 25632, 26440, 29745, 31728, 32040, 35694, 38448, 39660, 42720, 47592, 48060, 52880, 58829, 59490, 63456, 64080, 71388, 76896, 79320, 89235, 95184, 96120, 105760, 117658, 118980, 128160, 142776, 158640, 176487, 178470, 190368, 192240, 235316, 237960, 285552, 294145, 317280, 352974, 356940, 384480, 470632, 475920, 529461, 571104, 588290, 705948, 713880, 882435, 941264, 951840, 1058922, 1176580, 1411896, 1427760, 1588383, 1764870, 1882528, 2117844, 2353160, 2647305, 2823792, 2855520, 3176766, 3529740, 4235688, 4706320, 5294610, 5647584, 6353532, 7059480, 7941915, 8471376, 9412640, 10589220, 12707064, 14118960, 15883830, 16942752, 21178440, 25414128, 28237920, 31767660, 42356880, 50828256, 63535320, 84713760, 127070640, 254141280]

約数ペア:

[(1, 254141280), (2, 127070640), (3, 84713760), (4, 63535320), (5, 50828256), (6, 42356880), (8, 31767660), (9, 28237920), (10, 25414128), (12, 21178440), (15, 16942752), (16, 15883830), (18, 14118960), (20, 12707064), (24, 10589220), (27, 9412640), (30, 8471376), (32, 7941915), (36, 7059480), (40, 6353532), (45, 5647584), (48, 5294610), (54, 4706320), (60, 4235688), (72, 3529740), (80, 3176766), (89, 2855520), (90, 2823792), (96, 2647305), (108, 2353160), (120, 2117844), (135, 1882528), (144, 1764870), (160, 1588383), (178, 1427760), (180, 1411896), (216, 1176580), (240, 1058922), (267, 951840), (270, 941264), (288, 882435), (356, 713880), (360, 705948), (432, 588290), (445, 571104), (480, 529461), (534, 475920), (540, 470632), (661, 384480), (712, 356940), (720, 352974), (801, 317280), (864, 294145), (890, 285552), (1068, 237960), (1080, 235316), (1322, 192240), (1335, 190368), (1424, 178470), (1440, 176487), (1602, 158640), (1780, 142776), (1983, 128160), (2136, 118980), (2160, 117658), (2403, 105760), (2644, 96120), (2670, 95184), (2848, 89235), (3204, 79320), (3305, 76896), (3560, 71388), (3966, 64080), (4005, 63456), (4272, 59490), (4320, 58829), (4806, 52880), (5288, 48060), (5340, 47592), (5949, 42720), (6408, 39660), (6610, 38448), (7120, 35694), (7932, 32040), (8010, 31728), (8544, 29745), (9612, 26440), (9915, 25632), (10576, 24030), (10680, 23796), (11898, 21360), (12015, 21152), (12816, 19830), (13220, 19224), (14240, 17847), (15864, 16020)]