64929780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2633}}^1$

素因数の和:2785

約数の個数: 72

約数和(自身を含む): 198466632

約数和(自身を除く): 133536852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2633, 2740, 4110, 4932, 5266, 6165, 7899, 8220, 10532, 12330, 13165, 15798, 23697, 24660, 26330, 31596, 39495, 47394, 52660, 78990, 94788, 118485, 157980, 236970, 360721, 473940, 721442, 1082163, 1442884, 1803605, 2164326, 3246489, 3607210, 4328652, 5410815, 6492978, 7214420, 10821630, 12985956, 16232445, 21643260, 32464890, 64929780]

約数ペア:

[(1, 64929780), (2, 32464890), (3, 21643260), (4, 16232445), (5, 12985956), (6, 10821630), (9, 7214420), (10, 6492978), (12, 5410815), (15, 4328652), (18, 3607210), (20, 3246489), (30, 2164326), (36, 1803605), (45, 1442884), (60, 1082163), (90, 721442), (137, 473940), (180, 360721), (274, 236970), (411, 157980), (548, 118485), (685, 94788), (822, 78990), (1233, 52660), (1370, 47394), (1644, 39495), (2055, 31596), (2466, 26330), (2633, 24660), (2740, 23697), (4110, 15798), (4932, 13165), (5266, 12330), (6165, 10532), (7899, 8220)]