15204840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:831

約数の個数: 128

約数和(自身を含む): 54466560

約数和(自身を除く): 39261720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 787, 805, 840, 920, 966, 1288, 1380, 1574, 1610, 1932, 2361, 2415, 2760, 3148, 3220, 3864, 3935, 4722, 4830, 5509, 6296, 6440, 7870, 9444, 9660, 11018, 11805, 15740, 16527, 18101, 18888, 19320, 22036, 23610, 27545, 31480, 33054, 36202, 44072, 47220, 54303, 55090, 66108, 72404, 82635, 90505, 94440, 108606, 110180, 126707, 132216, 144808, 165270, 181010, 217212, 220360, 253414, 271515, 330540, 362020, 380121, 434424, 506828, 543030, 633535, 661080, 724040, 760242, 1013656, 1086060, 1267070, 1520484, 1900605, 2172120, 2534140, 3040968, 3801210, 5068280, 7602420, 15204840]

約数ペア:

[(1, 15204840), (2, 7602420), (3, 5068280), (4, 3801210), (5, 3040968), (6, 2534140), (7, 2172120), (8, 1900605), (10, 1520484), (12, 1267070), (14, 1086060), (15, 1013656), (20, 760242), (21, 724040), (23, 661080), (24, 633535), (28, 543030), (30, 506828), (35, 434424), (40, 380121), (42, 362020), (46, 330540), (56, 271515), (60, 253414), (69, 220360), (70, 217212), (84, 181010), (92, 165270), (105, 144808), (115, 132216), (120, 126707), (138, 110180), (140, 108606), (161, 94440), (168, 90505), (184, 82635), (210, 72404), (230, 66108), (276, 55090), (280, 54303), (322, 47220), (345, 44072), (420, 36202), (460, 33054), (483, 31480), (552, 27545), (644, 23610), (690, 22036), (787, 19320), (805, 18888), (840, 18101), (920, 16527), (966, 15740), (1288, 11805), (1380, 11018), (1574, 9660), (1610, 9444), (1932, 7870), (2361, 6440), (2415, 6296), (2760, 5509), (3148, 4830), (3220, 4722), (3864, 3935)]