77676660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{983}}^1$

素因数の和:1437

約数の個数: 72

約数和(自身を含む): 236396160

約数和(自身を除く): 158719500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 983, 1317, 1756, 1966, 2195, 2634, 2949, 3932, 3951, 4390, 4915, 5268, 5898, 6585, 7902, 8780, 8847, 9830, 11796, 13170, 14745, 15804, 17694, 19660, 19755, 26340, 29490, 35388, 39510, 44235, 58980, 79020, 88470, 176940, 431537, 863074, 1294611, 1726148, 2157685, 2589222, 3883833, 4315370, 5178444, 6473055, 7767666, 8630740, 12946110, 15535332, 19419165, 25892220, 38838330, 77676660]

約数ペア:

[(1, 77676660), (2, 38838330), (3, 25892220), (4, 19419165), (5, 15535332), (6, 12946110), (9, 8630740), (10, 7767666), (12, 6473055), (15, 5178444), (18, 4315370), (20, 3883833), (30, 2589222), (36, 2157685), (45, 1726148), (60, 1294611), (90, 863074), (180, 431537), (439, 176940), (878, 88470), (983, 79020), (1317, 58980), (1756, 44235), (1966, 39510), (2195, 35388), (2634, 29490), (2949, 26340), (3932, 19755), (3951, 19660), (4390, 17694), (4915, 15804), (5268, 14745), (5898, 13170), (6585, 11796), (7902, 9830), (8780, 8847)]