78381540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3923}}^1$

素因数の和:3978

約数の個数: 96

約数和(自身を含む): 250508160

約数和(自身を除く): 172126620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1665, 1998, 2220, 3330, 3923, 3996, 4995, 6660, 7846, 9990, 11769, 15692, 19615, 19980, 23538, 35307, 39230, 47076, 58845, 70614, 78460, 105921, 117690, 141228, 145151, 176535, 211842, 235380, 290302, 353070, 423684, 435453, 529605, 580604, 706140, 725755, 870906, 1059210, 1306359, 1451510, 1741812, 2118420, 2177265, 2612718, 2903020, 3919077, 4354530, 5225436, 6531795, 7838154, 8709060, 13063590, 15676308, 19595385, 26127180, 39190770, 78381540]

約数ペア:

[(1, 78381540), (2, 39190770), (3, 26127180), (4, 19595385), (5, 15676308), (6, 13063590), (9, 8709060), (10, 7838154), (12, 6531795), (15, 5225436), (18, 4354530), (20, 3919077), (27, 2903020), (30, 2612718), (36, 2177265), (37, 2118420), (45, 1741812), (54, 1451510), (60, 1306359), (74, 1059210), (90, 870906), (108, 725755), (111, 706140), (135, 580604), (148, 529605), (180, 435453), (185, 423684), (222, 353070), (270, 290302), (333, 235380), (370, 211842), (444, 176535), (540, 145151), (555, 141228), (666, 117690), (740, 105921), (999, 78460), (1110, 70614), (1332, 58845), (1665, 47076), (1998, 39230), (2220, 35307), (3330, 23538), (3923, 19980), (3996, 19615), (4995, 15692), (6660, 11769), (7846, 9990)]