18059440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:315

約数の個数: 120

約数和(自身を含む): 51907392

約数和(自身を除く): 33847952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 80, 85, 98, 112, 119, 136, 140, 170, 196, 238, 245, 271, 272, 280, 340, 392, 476, 490, 542, 560, 595, 680, 784, 833, 952, 980, 1084, 1190, 1355, 1360, 1666, 1897, 1904, 1960, 2168, 2380, 2710, 3332, 3794, 3920, 4165, 4336, 4607, 4760, 5420, 6664, 7588, 8330, 9214, 9485, 9520, 10840, 13279, 13328, 15176, 16660, 18428, 18970, 21680, 23035, 26558, 30352, 32249, 33320, 36856, 37940, 46070, 53116, 64498, 66395, 66640, 73712, 75880, 92140, 106232, 128996, 132790, 151760, 161245, 184280, 212464, 225743, 257992, 265580, 322490, 368560, 451486, 515984, 531160, 644980, 902972, 1062320, 1128715, 1289960, 1805944, 2257430, 2579920, 3611888, 4514860, 9029720, 18059440]

約数ペア:

[(1, 18059440), (2, 9029720), (4, 4514860), (5, 3611888), (7, 2579920), (8, 2257430), (10, 1805944), (14, 1289960), (16, 1128715), (17, 1062320), (20, 902972), (28, 644980), (34, 531160), (35, 515984), (40, 451486), (49, 368560), (56, 322490), (68, 265580), (70, 257992), (80, 225743), (85, 212464), (98, 184280), (112, 161245), (119, 151760), (136, 132790), (140, 128996), (170, 106232), (196, 92140), (238, 75880), (245, 73712), (271, 66640), (272, 66395), (280, 64498), (340, 53116), (392, 46070), (476, 37940), (490, 36856), (542, 33320), (560, 32249), (595, 30352), (680, 26558), (784, 23035), (833, 21680), (952, 18970), (980, 18428), (1084, 16660), (1190, 15176), (1355, 13328), (1360, 13279), (1666, 10840), (1897, 9520), (1904, 9485), (1960, 9214), (2168, 8330), (2380, 7588), (2710, 6664), (3332, 5420), (3794, 4760), (3920, 4607), (4165, 4336)]