81530640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6661}}^1$

素因数の和:6697

約数の個数: 120

約数和(自身を含む): 289956888

約数和(自身を除く): 208426248

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 2040, 2448, 3060, 4080, 6120, 6661, 12240, 13322, 19983, 26644, 33305, 39966, 53288, 59949, 66610, 79932, 99915, 106576, 113237, 119898, 133220, 159864, 199830, 226474, 239796, 266440, 299745, 319728, 339711, 399660, 452948, 479592, 532880, 566185, 599490, 679422, 799320, 905896, 959184, 1019133, 1132370, 1198980, 1358844, 1598640, 1698555, 1811792, 2038266, 2264740, 2397960, 2717688, 3397110, 4076532, 4529480, 4795920, 5095665, 5435376, 6794220, 8153064, 9058960, 10191330, 13588440, 16306128, 20382660, 27176880, 40765320, 81530640]

約数ペア:

[(1, 81530640), (2, 40765320), (3, 27176880), (4, 20382660), (5, 16306128), (6, 13588440), (8, 10191330), (9, 9058960), (10, 8153064), (12, 6794220), (15, 5435376), (16, 5095665), (17, 4795920), (18, 4529480), (20, 4076532), (24, 3397110), (30, 2717688), (34, 2397960), (36, 2264740), (40, 2038266), (45, 1811792), (48, 1698555), (51, 1598640), (60, 1358844), (68, 1198980), (72, 1132370), (80, 1019133), (85, 959184), (90, 905896), (102, 799320), (120, 679422), (136, 599490), (144, 566185), (153, 532880), (170, 479592), (180, 452948), (204, 399660), (240, 339711), (255, 319728), (272, 299745), (306, 266440), (340, 239796), (360, 226474), (408, 199830), (510, 159864), (612, 133220), (680, 119898), (720, 113237), (765, 106576), (816, 99915), (1020, 79932), (1224, 66610), (1360, 59949), (1530, 53288), (2040, 39966), (2448, 33305), (3060, 26644), (4080, 19983), (6120, 13322), (6661, 12240)]