814278780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{646253}}^1$

素因数の和:646275

約数の個数: 72

約数和(自身を含む): 2822837472

約数和(自身を除く): 2008558692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 646253, 1292506, 1938759, 2585012, 3231265, 3877518, 4523771, 5816277, 6462530, 7755036, 9047542, 9693795, 11632554, 12925060, 13571313, 18095084, 19387590, 22618855, 23265108, 27142626, 29081385, 38775180, 40713939, 45237710, 54285252, 58162770, 67856565, 81427878, 90475420, 116325540, 135713130, 162855756, 203569695, 271426260, 407139390, 814278780]

約数ペア:

[(1, 814278780), (2, 407139390), (3, 271426260), (4, 203569695), (5, 162855756), (6, 135713130), (7, 116325540), (9, 90475420), (10, 81427878), (12, 67856565), (14, 58162770), (15, 54285252), (18, 45237710), (20, 40713939), (21, 38775180), (28, 29081385), (30, 27142626), (35, 23265108), (36, 22618855), (42, 19387590), (45, 18095084), (60, 13571313), (63, 12925060), (70, 11632554), (84, 9693795), (90, 9047542), (105, 7755036), (126, 6462530), (140, 5816277), (180, 4523771), (210, 3877518), (252, 3231265), (315, 2585012), (420, 1938759), (630, 1292506), (1260, 646253)]