78698340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{62459}}^1$

素因数の和:62481

約数の個数: 72

約数和(自身を含む): 272825280

約数和(自身を除く): 194126940

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, 62459, 124918, 187377, 249836, 312295, 374754, 437213, 562131, 624590, 749508, 874426, 936885, 1124262, 1249180, 1311639, 1748852, 1873770, 2186065, 2248524, 2623278, 2810655, 3747540, 3934917, 4372130, 5246556, 5621310, 6558195, 7869834, 8744260, 11242620, 13116390, 15739668, 19674585, 26232780, 39349170, 78698340]

約数ペア:

[(1, 78698340), (2, 39349170), (3, 26232780), (4, 19674585), (5, 15739668), (6, 13116390), (7, 11242620), (9, 8744260), (10, 7869834), (12, 6558195), (14, 5621310), (15, 5246556), (18, 4372130), (20, 3934917), (21, 3747540), (28, 2810655), (30, 2623278), (35, 2248524), (36, 2186065), (42, 1873770), (45, 1748852), (60, 1311639), (63, 1249180), (70, 1124262), (84, 936885), (90, 874426), (105, 749508), (126, 624590), (140, 562131), (180, 437213), (210, 374754), (252, 312295), (315, 249836), (420, 187377), (630, 124918), (1260, 62459)]