278142720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{641}}^1$

素因数の和:778

約数の個数: 144

約数和(自身を含む): 897577632

約数和(自身を除く): 619434912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 113, 120, 128, 160, 192, 226, 240, 256, 320, 339, 384, 452, 480, 565, 640, 641, 678, 768, 904, 960, 1130, 1280, 1282, 1356, 1695, 1808, 1920, 1923, 2260, 2564, 2712, 3205, 3390, 3616, 3840, 3846, 4520, 5128, 5424, 6410, 6780, 7232, 7692, 9040, 9615, 10256, 10848, 12820, 13560, 14464, 15384, 18080, 19230, 20512, 21696, 25640, 27120, 28928, 30768, 36160, 38460, 41024, 43392, 51280, 54240, 61536, 72320, 72433, 76920, 82048, 86784, 102560, 108480, 123072, 144640, 144866, 153840, 164096, 205120, 216960, 217299, 246144, 289732, 307680, 362165, 410240, 433920, 434598, 492288, 579464, 615360, 724330, 820480, 869196, 1086495, 1158928, 1230720, 1448660, 1738392, 2172990, 2317856, 2461440, 2897320, 3476784, 4345980, 4635712, 5794640, 6953568, 8691960, 9271424, 11589280, 13907136, 17383920, 18542848, 23178560, 27814272, 34767840, 46357120, 55628544, 69535680, 92714240, 139071360, 278142720]

約数ペア:

[(1, 278142720), (2, 139071360), (3, 92714240), (4, 69535680), (5, 55628544), (6, 46357120), (8, 34767840), (10, 27814272), (12, 23178560), (15, 18542848), (16, 17383920), (20, 13907136), (24, 11589280), (30, 9271424), (32, 8691960), (40, 6953568), (48, 5794640), (60, 4635712), (64, 4345980), (80, 3476784), (96, 2897320), (113, 2461440), (120, 2317856), (128, 2172990), (160, 1738392), (192, 1448660), (226, 1230720), (240, 1158928), (256, 1086495), (320, 869196), (339, 820480), (384, 724330), (452, 615360), (480, 579464), (565, 492288), (640, 434598), (641, 433920), (678, 410240), (768, 362165), (904, 307680), (960, 289732), (1130, 246144), (1280, 217299), (1282, 216960), (1356, 205120), (1695, 164096), (1808, 153840), (1920, 144866), (1923, 144640), (2260, 123072), (2564, 108480), (2712, 102560), (3205, 86784), (3390, 82048), (3616, 76920), (3840, 72433), (3846, 72320), (4520, 61536), (5128, 54240), (5424, 51280), (6410, 43392), (6780, 41024), (7232, 38460), (7692, 36160), (9040, 30768), (9615, 28928), (10256, 27120), (10848, 25640), (12820, 21696), (13560, 20512), (14464, 19230), (15384, 18080)]