15439440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2797}}^1$

素因数の和:2836

約数の個数: 80

約数和(自身を含む): 49961088

約数和(自身を除く): 34521648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 2797, 5520, 5594, 8391, 11188, 13985, 16782, 22376, 27970, 33564, 41955, 44752, 55940, 64331, 67128, 83910, 111880, 128662, 134256, 167820, 192993, 223760, 257324, 321655, 335640, 385986, 514648, 643310, 671280, 771972, 964965, 1029296, 1286620, 1543944, 1929930, 2573240, 3087888, 3859860, 5146480, 7719720, 15439440]

約数ペア:

[(1, 15439440), (2, 7719720), (3, 5146480), (4, 3859860), (5, 3087888), (6, 2573240), (8, 1929930), (10, 1543944), (12, 1286620), (15, 1029296), (16, 964965), (20, 771972), (23, 671280), (24, 643310), (30, 514648), (40, 385986), (46, 335640), (48, 321655), (60, 257324), (69, 223760), (80, 192993), (92, 167820), (115, 134256), (120, 128662), (138, 111880), (184, 83910), (230, 67128), (240, 64331), (276, 55940), (345, 44752), (368, 41955), (460, 33564), (552, 27970), (690, 22376), (920, 16782), (1104, 13985), (1380, 11188), (1840, 8391), (2760, 5594), (2797, 5520)]