81093400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 212419440

約数和(自身を除く): 131326040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 61, 68, 85, 92, 100, 115, 122, 136, 170, 184, 200, 230, 244, 289, 305, 340, 391, 425, 460, 488, 575, 578, 610, 680, 782, 850, 920, 1037, 1150, 1156, 1220, 1403, 1445, 1525, 1564, 1700, 1955, 2074, 2300, 2312, 2440, 2806, 2890, 3050, 3128, 3400, 3910, 4148, 4600, 5185, 5612, 5780, 6100, 6647, 7015, 7225, 7820, 8296, 9775, 10370, 11224, 11560, 12200, 13294, 14030, 14450, 15640, 17629, 19550, 20740, 23851, 25925, 26588, 28060, 28900, 33235, 35075, 35258, 39100, 41480, 47702, 51850, 53176, 56120, 57800, 66470, 70150, 70516, 78200, 88145, 95404, 103700, 119255, 132940, 140300, 141032, 166175, 176290, 190808, 207400, 238510, 265880, 280600, 332350, 352580, 405467, 440725, 477020, 596275, 664700, 705160, 810934, 881450, 954040, 1192550, 1329400, 1621868, 1762900, 2027335, 2385100, 3243736, 3525800, 4054670, 4770200, 8109340, 10136675, 16218680, 20273350, 40546700, 81093400]

約数ペア:

[(1, 81093400), (2, 40546700), (4, 20273350), (5, 16218680), (8, 10136675), (10, 8109340), (17, 4770200), (20, 4054670), (23, 3525800), (25, 3243736), (34, 2385100), (40, 2027335), (46, 1762900), (50, 1621868), (61, 1329400), (68, 1192550), (85, 954040), (92, 881450), (100, 810934), (115, 705160), (122, 664700), (136, 596275), (170, 477020), (184, 440725), (200, 405467), (230, 352580), (244, 332350), (289, 280600), (305, 265880), (340, 238510), (391, 207400), (425, 190808), (460, 176290), (488, 166175), (575, 141032), (578, 140300), (610, 132940), (680, 119255), (782, 103700), (850, 95404), (920, 88145), (1037, 78200), (1150, 70516), (1156, 70150), (1220, 66470), (1403, 57800), (1445, 56120), (1525, 53176), (1564, 51850), (1700, 47702), (1955, 41480), (2074, 39100), (2300, 35258), (2312, 35075), (2440, 33235), (2806, 28900), (2890, 28060), (3050, 26588), (3128, 25925), (3400, 23851), (3910, 20740), (4148, 19550), (4600, 17629), (5185, 15640), (5612, 14450), (5780, 14030), (6100, 13294), (6647, 12200), (7015, 11560), (7225, 11224), (7820, 10370), (8296, 9775)]