77992770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 212129280

約数和(自身を除く): 134136510

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 61, 69, 85, 102, 109, 115, 122, 138, 170, 183, 218, 230, 255, 305, 327, 345, 366, 391, 510, 545, 610, 654, 690, 782, 915, 1037, 1090, 1173, 1403, 1635, 1830, 1853, 1955, 2074, 2346, 2507, 2806, 3111, 3270, 3706, 3910, 4209, 5014, 5185, 5559, 5865, 6222, 6649, 7015, 7521, 8418, 9265, 10370, 11118, 11730, 12535, 13298, 14030, 15042, 15555, 18530, 19947, 21045, 23851, 25070, 27795, 31110, 33245, 37605, 39894, 42090, 42619, 47702, 55590, 66490, 71553, 75210, 85238, 99735, 113033, 119255, 127857, 143106, 152927, 199470, 213095, 226066, 238510, 255714, 305854, 339099, 357765, 426190, 458781, 565165, 639285, 678198, 715530, 764635, 917562, 1130330, 1278570, 1529270, 1695495, 2293905, 2599759, 3390990, 4587810, 5199518, 7799277, 12998795, 15598554, 25997590, 38996385, 77992770]

約数ペア:

[(1, 77992770), (2, 38996385), (3, 25997590), (5, 15598554), (6, 12998795), (10, 7799277), (15, 5199518), (17, 4587810), (23, 3390990), (30, 2599759), (34, 2293905), (46, 1695495), (51, 1529270), (61, 1278570), (69, 1130330), (85, 917562), (102, 764635), (109, 715530), (115, 678198), (122, 639285), (138, 565165), (170, 458781), (183, 426190), (218, 357765), (230, 339099), (255, 305854), (305, 255714), (327, 238510), (345, 226066), (366, 213095), (391, 199470), (510, 152927), (545, 143106), (610, 127857), (654, 119255), (690, 113033), (782, 99735), (915, 85238), (1037, 75210), (1090, 71553), (1173, 66490), (1403, 55590), (1635, 47702), (1830, 42619), (1853, 42090), (1955, 39894), (2074, 37605), (2346, 33245), (2507, 31110), (2806, 27795), (3111, 25070), (3270, 23851), (3706, 21045), (3910, 19947), (4209, 18530), (5014, 15555), (5185, 15042), (5559, 14030), (5865, 13298), (6222, 12535), (6649, 11730), (7015, 11118), (7521, 10370), (8418, 9265)]