64680840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{25667}}^1$

素因数の和:25691

約数の個数: 96

約数和(自身を含む): 240252480

約数和(自身を除く): 175571640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 25667, 51334, 77001, 102668, 128335, 154002, 179669, 205336, 231003, 256670, 308004, 359338, 385005, 462006, 513340, 539007, 616008, 718676, 770010, 898345, 924012, 1026680, 1078014, 1155015, 1437352, 1540020, 1617021, 1796690, 1848024, 2156028, 2310030, 2695035, 3080040, 3234042, 3593380, 4312056, 4620060, 5390070, 6468084, 7186760, 8085105, 9240120, 10780140, 12936168, 16170210, 21560280, 32340420, 64680840]

約数ペア:

[(1, 64680840), (2, 32340420), (3, 21560280), (4, 16170210), (5, 12936168), (6, 10780140), (7, 9240120), (8, 8085105), (9, 7186760), (10, 6468084), (12, 5390070), (14, 4620060), (15, 4312056), (18, 3593380), (20, 3234042), (21, 3080040), (24, 2695035), (28, 2310030), (30, 2156028), (35, 1848024), (36, 1796690), (40, 1617021), (42, 1540020), (45, 1437352), (56, 1155015), (60, 1078014), (63, 1026680), (70, 924012), (72, 898345), (84, 770010), (90, 718676), (105, 616008), (120, 539007), (126, 513340), (140, 462006), (168, 385005), (180, 359338), (210, 308004), (252, 256670), (280, 231003), (315, 205336), (360, 179669), (420, 154002), (504, 128335), (630, 102668), (840, 77001), (1260, 51334), (2520, 25667)]