78644040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1$

素因数の和:2079

約数の個数: 128

約数和(自身を含む): 263088000

約数和(自身を除く): 184443960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 510, 570, 646, 680, 760, 969, 1020, 1140, 1292, 1615, 1938, 2029, 2040, 2280, 2584, 3230, 3876, 4058, 4845, 6087, 6460, 7752, 8116, 9690, 10145, 12174, 12920, 16232, 19380, 20290, 24348, 30435, 34493, 38551, 38760, 40580, 48696, 60870, 68986, 77102, 81160, 103479, 115653, 121740, 137972, 154204, 172465, 192755, 206958, 231306, 243480, 275944, 308408, 344930, 385510, 413916, 462612, 517395, 578265, 655367, 689860, 771020, 827832, 925224, 1034790, 1156530, 1310734, 1379720, 1542040, 1966101, 2069580, 2313060, 2621468, 3276835, 3932202, 4139160, 4626120, 5242936, 6553670, 7864404, 9830505, 13107340, 15728808, 19661010, 26214680, 39322020, 78644040]

約数ペア:

[(1, 78644040), (2, 39322020), (3, 26214680), (4, 19661010), (5, 15728808), (6, 13107340), (8, 9830505), (10, 7864404), (12, 6553670), (15, 5242936), (17, 4626120), (19, 4139160), (20, 3932202), (24, 3276835), (30, 2621468), (34, 2313060), (38, 2069580), (40, 1966101), (51, 1542040), (57, 1379720), (60, 1310734), (68, 1156530), (76, 1034790), (85, 925224), (95, 827832), (102, 771020), (114, 689860), (120, 655367), (136, 578265), (152, 517395), (170, 462612), (190, 413916), (204, 385510), (228, 344930), (255, 308408), (285, 275944), (323, 243480), (340, 231306), (380, 206958), (408, 192755), (456, 172465), (510, 154204), (570, 137972), (646, 121740), (680, 115653), (760, 103479), (969, 81160), (1020, 77102), (1140, 68986), (1292, 60870), (1615, 48696), (1938, 40580), (2029, 38760), (2040, 38551), (2280, 34493), (2584, 30435), (3230, 24348), (3876, 20290), (4058, 19380), (4845, 16232), (6087, 12920), (6460, 12174), (7752, 10145), (8116, 9690)]