25651980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 84206304

約数和(自身を除く): 58554324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 83, 85, 90, 101, 102, 153, 166, 170, 180, 202, 204, 249, 255, 303, 306, 332, 340, 404, 415, 498, 505, 510, 606, 612, 747, 765, 830, 909, 996, 1010, 1020, 1212, 1245, 1411, 1494, 1515, 1530, 1660, 1717, 1818, 2020, 2490, 2822, 2988, 3030, 3060, 3434, 3636, 3735, 4233, 4545, 4980, 5151, 5644, 6060, 6868, 7055, 7470, 8383, 8466, 8585, 9090, 10302, 12699, 14110, 14940, 15453, 16766, 16932, 17170, 18180, 20604, 21165, 25149, 25398, 25755, 28220, 30906, 33532, 34340, 41915, 42330, 50298, 50796, 51510, 61812, 63495, 75447, 77265, 83830, 84660, 100596, 103020, 125745, 126990, 142511, 150894, 154530, 167660, 251490, 253980, 285022, 301788, 309060, 377235, 427533, 502980, 570044, 712555, 754470, 855066, 1282599, 1425110, 1508940, 1710132, 2137665, 2565198, 2850220, 4275330, 5130396, 6412995, 8550660, 12825990, 25651980]

約数ペア:

[(1, 25651980), (2, 12825990), (3, 8550660), (4, 6412995), (5, 5130396), (6, 4275330), (9, 2850220), (10, 2565198), (12, 2137665), (15, 1710132), (17, 1508940), (18, 1425110), (20, 1282599), (30, 855066), (34, 754470), (36, 712555), (45, 570044), (51, 502980), (60, 427533), (68, 377235), (83, 309060), (85, 301788), (90, 285022), (101, 253980), (102, 251490), (153, 167660), (166, 154530), (170, 150894), (180, 142511), (202, 126990), (204, 125745), (249, 103020), (255, 100596), (303, 84660), (306, 83830), (332, 77265), (340, 75447), (404, 63495), (415, 61812), (498, 51510), (505, 50796), (510, 50298), (606, 42330), (612, 41915), (747, 34340), (765, 33532), (830, 30906), (909, 28220), (996, 25755), (1010, 25398), (1020, 25149), (1212, 21165), (1245, 20604), (1411, 18180), (1494, 17170), (1515, 16932), (1530, 16766), (1660, 15453), (1717, 14940), (1818, 14110), (2020, 12699), (2490, 10302), (2822, 9090), (2988, 8585), (3030, 8466), (3060, 8383), (3434, 7470), (3636, 7055), (3735, 6868), (4233, 6060), (4545, 5644), (4980, 5151)]