1520803760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{5531}}^1$

素因数の和:6042

約数の個数: 80

約数和(自身を含む): 4049955072

約数和(自身を除く): 2529151312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 491, 560, 982, 1964, 2455, 3437, 3928, 4910, 5531, 6874, 7856, 9820, 11062, 13748, 17185, 19640, 22124, 27496, 27655, 34370, 38717, 39280, 44248, 54992, 55310, 68740, 77434, 88496, 110620, 137480, 154868, 193585, 221240, 274960, 309736, 387170, 442480, 619472, 774340, 1548680, 2715721, 3097360, 5431442, 10862884, 13578605, 19010047, 21725768, 27157210, 38020094, 43451536, 54314420, 76040188, 95050235, 108628840, 152080376, 190100470, 217257680, 304160752, 380200940, 760401880, 1520803760]

約数ペア:

[(1, 1520803760), (2, 760401880), (4, 380200940), (5, 304160752), (7, 217257680), (8, 190100470), (10, 152080376), (14, 108628840), (16, 95050235), (20, 76040188), (28, 54314420), (35, 43451536), (40, 38020094), (56, 27157210), (70, 21725768), (80, 19010047), (112, 13578605), (140, 10862884), (280, 5431442), (491, 3097360), (560, 2715721), (982, 1548680), (1964, 774340), (2455, 619472), (3437, 442480), (3928, 387170), (4910, 309736), (5531, 274960), (6874, 221240), (7856, 193585), (9820, 154868), (11062, 137480), (13748, 110620), (17185, 88496), (19640, 77434), (22124, 68740), (27496, 55310), (27655, 54992), (34370, 44248), (38717, 39280)]