215142720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17239}}^1$

素因数の和:17272

約数の個数: 112

約数和(自身を含む): 735665280

約数和(自身を除く): 520522560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 17239, 34478, 51717, 68956, 86195, 103434, 137912, 172390, 206868, 224107, 258585, 275824, 344780, 413736, 448214, 517170, 551648, 672321, 689560, 827472, 896428, 1034340, 1103296, 1120535, 1344642, 1379120, 1654944, 1792856, 2068680, 2241070, 2689284, 2758240, 3309888, 3361605, 3585712, 4137360, 4482140, 5378568, 5516480, 6723210, 7171424, 8274720, 8964280, 10757136, 13446420, 14342848, 16549440, 17928560, 21514272, 26892840, 35857120, 43028544, 53785680, 71714240, 107571360, 215142720]

約数ペア:

[(1, 215142720), (2, 107571360), (3, 71714240), (4, 53785680), (5, 43028544), (6, 35857120), (8, 26892840), (10, 21514272), (12, 17928560), (13, 16549440), (15, 14342848), (16, 13446420), (20, 10757136), (24, 8964280), (26, 8274720), (30, 7171424), (32, 6723210), (39, 5516480), (40, 5378568), (48, 4482140), (52, 4137360), (60, 3585712), (64, 3361605), (65, 3309888), (78, 2758240), (80, 2689284), (96, 2241070), (104, 2068680), (120, 1792856), (130, 1654944), (156, 1379120), (160, 1344642), (192, 1120535), (195, 1103296), (208, 1034340), (240, 896428), (260, 827472), (312, 689560), (320, 672321), (390, 551648), (416, 517170), (480, 448214), (520, 413736), (624, 344780), (780, 275824), (832, 258585), (960, 224107), (1040, 206868), (1248, 172390), (1560, 137912), (2080, 103434), (2496, 86195), (3120, 68956), (4160, 51717), (6240, 34478), (12480, 17239)]