720217070

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{541}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 1416102912

約数和(自身を除く): 695885842

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 191, 205, 382, 410, 541, 697, 955, 1082, 1394, 1910, 2705, 3247, 3485, 5410, 6494, 6970, 7831, 9197, 15662, 16235, 18394, 22181, 32470, 39155, 44362, 45985, 78310, 91970, 103331, 110905, 133127, 206662, 221810, 266254, 377077, 516655, 665635, 754154, 1033310, 1331270, 1756627, 1885385, 3513254, 3770770, 4236571, 8473142, 8783135, 17566270, 21182855, 42365710, 72021707, 144043414, 360108535, 720217070]

約数ペア:

[(1, 720217070), (2, 360108535), (5, 144043414), (10, 72021707), (17, 42365710), (34, 21182855), (41, 17566270), (82, 8783135), (85, 8473142), (170, 4236571), (191, 3770770), (205, 3513254), (382, 1885385), (410, 1756627), (541, 1331270), (697, 1033310), (955, 754154), (1082, 665635), (1394, 516655), (1910, 377077), (2705, 266254), (3247, 221810), (3485, 206662), (5410, 133127), (6494, 110905), (6970, 103331), (7831, 91970), (9197, 78310), (15662, 45985), (16235, 44362), (18394, 39155), (22181, 32470)]