18878160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{661}}^1$

素因数の和:701

約数の個数: 160

約数和(自身を含む): 70924032

約数和(自身を除く): 52045872

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 661, 680, 714, 816, 840, 952, 1020, 1190, 1322, 1360, 1428, 1680, 1785, 1904, 1983, 2040, 2380, 2644, 2856, 3305, 3570, 3966, 4080, 4627, 4760, 5288, 5712, 6610, 7140, 7932, 9254, 9520, 9915, 10576, 11237, 13220, 13881, 14280, 15864, 18508, 19830, 22474, 23135, 26440, 27762, 28560, 31728, 33711, 37016, 39660, 44948, 46270, 52880, 55524, 56185, 67422, 69405, 74032, 78659, 79320, 89896, 92540, 111048, 112370, 134844, 138810, 157318, 158640, 168555, 179792, 185080, 222096, 224740, 235977, 269688, 277620, 314636, 337110, 370160, 393295, 449480, 471954, 539376, 555240, 629272, 674220, 786590, 898960, 943908, 1110480, 1179885, 1258544, 1348440, 1573180, 1887816, 2359770, 2696880, 3146360, 3775632, 4719540, 6292720, 9439080, 18878160]

約数ペア:

[(1, 18878160), (2, 9439080), (3, 6292720), (4, 4719540), (5, 3775632), (6, 3146360), (7, 2696880), (8, 2359770), (10, 1887816), (12, 1573180), (14, 1348440), (15, 1258544), (16, 1179885), (17, 1110480), (20, 943908), (21, 898960), (24, 786590), (28, 674220), (30, 629272), (34, 555240), (35, 539376), (40, 471954), (42, 449480), (48, 393295), (51, 370160), (56, 337110), (60, 314636), (68, 277620), (70, 269688), (80, 235977), (84, 224740), (85, 222096), (102, 185080), (105, 179792), (112, 168555), (119, 158640), (120, 157318), (136, 138810), (140, 134844), (168, 112370), (170, 111048), (204, 92540), (210, 89896), (238, 79320), (240, 78659), (255, 74032), (272, 69405), (280, 67422), (336, 56185), (340, 55524), (357, 52880), (408, 46270), (420, 44948), (476, 39660), (510, 37016), (560, 33711), (595, 31728), (661, 28560), (680, 27762), (714, 26440), (816, 23135), (840, 22474), (952, 19830), (1020, 18508), (1190, 15864), (1322, 14280), (1360, 13881), (1428, 13220), (1680, 11237), (1785, 10576), (1904, 9915), (1983, 9520), (2040, 9254), (2380, 7932), (2644, 7140), (2856, 6610), (3305, 5712), (3570, 5288), (3966, 4760), (4080, 4627)]