15404720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 38890368

約数和(自身を除く): 23485648

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 241, 272, 340, 376, 470, 482, 680, 752, 799, 940, 964, 1205, 1360, 1598, 1880, 1928, 2410, 3196, 3760, 3856, 3995, 4097, 4820, 6392, 7990, 8194, 9640, 11327, 12784, 15980, 16388, 19280, 20485, 22654, 31960, 32776, 40970, 45308, 56635, 63920, 65552, 81940, 90616, 113270, 163880, 181232, 192559, 226540, 327760, 385118, 453080, 770236, 906160, 962795, 1540472, 1925590, 3080944, 3851180, 7702360, 15404720]

約数ペア:

[(1, 15404720), (2, 7702360), (4, 3851180), (5, 3080944), (8, 1925590), (10, 1540472), (16, 962795), (17, 906160), (20, 770236), (34, 453080), (40, 385118), (47, 327760), (68, 226540), (80, 192559), (85, 181232), (94, 163880), (136, 113270), (170, 90616), (188, 81940), (235, 65552), (241, 63920), (272, 56635), (340, 45308), (376, 40970), (470, 32776), (482, 31960), (680, 22654), (752, 20485), (799, 19280), (940, 16388), (964, 15980), (1205, 12784), (1360, 11327), (1598, 9640), (1880, 8194), (1928, 7990), (2410, 6392), (3196, 4820), (3760, 4097), (3856, 3995)]