421792440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1039}}^1$

素因数の和:1269

約数の個数: 128

約数和(自身を含む): 1347840000

約数和(自身を除く): 926047560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 199, 204, 255, 340, 398, 408, 510, 597, 680, 796, 995, 1020, 1039, 1194, 1592, 1990, 2040, 2078, 2388, 2985, 3117, 3383, 3980, 4156, 4776, 5195, 5970, 6234, 6766, 7960, 8312, 10149, 10390, 11940, 12468, 13532, 15585, 16915, 17663, 20298, 20780, 23880, 24936, 27064, 31170, 33830, 35326, 40596, 41560, 50745, 52989, 62340, 67660, 70652, 81192, 88315, 101490, 105978, 124680, 135320, 141304, 176630, 202980, 206761, 211956, 264945, 353260, 405960, 413522, 423912, 529890, 620283, 706520, 827044, 1033805, 1059780, 1240566, 1654088, 2067610, 2119560, 2481132, 3101415, 3514937, 4135220, 4962264, 6202830, 7029874, 8270440, 10544811, 12405660, 14059748, 17574685, 21089622, 24811320, 28119496, 35149370, 42179244, 52724055, 70298740, 84358488, 105448110, 140597480, 210896220, 421792440]

約数ペア:

[(1, 421792440), (2, 210896220), (3, 140597480), (4, 105448110), (5, 84358488), (6, 70298740), (8, 52724055), (10, 42179244), (12, 35149370), (15, 28119496), (17, 24811320), (20, 21089622), (24, 17574685), (30, 14059748), (34, 12405660), (40, 10544811), (51, 8270440), (60, 7029874), (68, 6202830), (85, 4962264), (102, 4135220), (120, 3514937), (136, 3101415), (170, 2481132), (199, 2119560), (204, 2067610), (255, 1654088), (340, 1240566), (398, 1059780), (408, 1033805), (510, 827044), (597, 706520), (680, 620283), (796, 529890), (995, 423912), (1020, 413522), (1039, 405960), (1194, 353260), (1592, 264945), (1990, 211956), (2040, 206761), (2078, 202980), (2388, 176630), (2985, 141304), (3117, 135320), (3383, 124680), (3980, 105978), (4156, 101490), (4776, 88315), (5195, 81192), (5970, 70652), (6234, 67660), (6766, 62340), (7960, 52989), (8312, 50745), (10149, 41560), (10390, 40596), (11940, 35326), (12468, 33830), (13532, 31170), (15585, 27064), (16915, 24936), (17663, 23880), (20298, 20780)]