78307740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3271}}^1$

素因数の和:3312

約数の個数: 144

約数和(自身を含む): 285841920

約数和(自身を除く): 207534180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3271, 3420, 3990, 4788, 5985, 6542, 7980, 9813, 11970, 13084, 16355, 19626, 22897, 23940, 29439, 32710, 39252, 45794, 49065, 58878, 62149, 65420, 68691, 91588, 98130, 114485, 117756, 124298, 137382, 147195, 186447, 196260, 206073, 228970, 248596, 274764, 294390, 310745, 343455, 372894, 412146, 435043, 457940, 559341, 588780, 621490, 686910, 745788, 824292, 870086, 932235, 1030365, 1118682, 1242980, 1305129, 1373820, 1740172, 1864470, 2060730, 2175215, 2237364, 2610258, 2796705, 3728940, 3915387, 4121460, 4350430, 5220516, 5593410, 6525645, 7830774, 8700860, 11186820, 13051290, 15661548, 19576935, 26102580, 39153870, 78307740]

約数ペア:

[(1, 78307740), (2, 39153870), (3, 26102580), (4, 19576935), (5, 15661548), (6, 13051290), (7, 11186820), (9, 8700860), (10, 7830774), (12, 6525645), (14, 5593410), (15, 5220516), (18, 4350430), (19, 4121460), (20, 3915387), (21, 3728940), (28, 2796705), (30, 2610258), (35, 2237364), (36, 2175215), (38, 2060730), (42, 1864470), (45, 1740172), (57, 1373820), (60, 1305129), (63, 1242980), (70, 1118682), (76, 1030365), (84, 932235), (90, 870086), (95, 824292), (105, 745788), (114, 686910), (126, 621490), (133, 588780), (140, 559341), (171, 457940), (180, 435043), (190, 412146), (210, 372894), (228, 343455), (252, 310745), (266, 294390), (285, 274764), (315, 248596), (342, 228970), (380, 206073), (399, 196260), (420, 186447), (532, 147195), (570, 137382), (630, 124298), (665, 117756), (684, 114485), (798, 98130), (855, 91588), (1140, 68691), (1197, 65420), (1260, 62149), (1330, 58878), (1596, 49065), (1710, 45794), (1995, 39252), (2394, 32710), (2660, 29439), (3271, 23940), (3420, 22897), (3990, 19626), (4788, 16355), (5985, 13084), (6542, 11970), (7980, 9813)]