30809440

素因数分解:

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

素因数の和:320

約数の個数: 96

約数和(自身を含む): 79035264

約数和(自身を除く): 48225824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 241, 272, 340, 376, 470, 482, 544, 680, 752, 799, 940, 964, 1205, 1360, 1504, 1598, 1880, 1928, 2410, 2720, 3196, 3760, 3856, 3995, 4097, 4820, 6392, 7520, 7712, 7990, 8194, 9640, 11327, 12784, 15980, 16388, 19280, 20485, 22654, 25568, 31960, 32776, 38560, 40970, 45308, 56635, 63920, 65552, 81940, 90616, 113270, 127840, 131104, 163880, 181232, 192559, 226540, 327760, 362464, 385118, 453080, 655520, 770236, 906160, 962795, 1540472, 1812320, 1925590, 3080944, 3851180, 6161888, 7702360, 15404720, 30809440]

約数ペア:

[(1, 30809440), (2, 15404720), (4, 7702360), (5, 6161888), (8, 3851180), (10, 3080944), (16, 1925590), (17, 1812320), (20, 1540472), (32, 962795), (34, 906160), (40, 770236), (47, 655520), (68, 453080), (80, 385118), (85, 362464), (94, 327760), (136, 226540), (160, 192559), (170, 181232), (188, 163880), (235, 131104), (241, 127840), (272, 113270), (340, 90616), (376, 81940), (470, 65552), (482, 63920), (544, 56635), (680, 45308), (752, 40970), (799, 38560), (940, 32776), (964, 31960), (1205, 25568), (1360, 22654), (1504, 20485), (1598, 19280), (1880, 16388), (1928, 15980), (2410, 12784), (2720, 11327), (3196, 9640), (3760, 8194), (3856, 7990), (3995, 7712), (4097, 7520), (4820, 6392)]