64983900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{251}}^1\times {\mathrm{863}}^1$

素因数の和:1131

約数の個数: 72

約数和(自身を含む): 188987904

約数和(自身を除く): 124004004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 251, 300, 502, 753, 863, 1004, 1255, 1506, 1726, 2510, 2589, 3012, 3452, 3765, 4315, 5020, 5178, 6275, 7530, 8630, 10356, 12550, 12945, 15060, 17260, 18825, 21575, 25100, 25890, 37650, 43150, 51780, 64725, 75300, 86300, 129450, 216613, 258900, 433226, 649839, 866452, 1083065, 1299678, 2166130, 2599356, 3249195, 4332260, 5415325, 6498390, 10830650, 12996780, 16245975, 21661300, 32491950, 64983900]

約数ペア:

[(1, 64983900), (2, 32491950), (3, 21661300), (4, 16245975), (5, 12996780), (6, 10830650), (10, 6498390), (12, 5415325), (15, 4332260), (20, 3249195), (25, 2599356), (30, 2166130), (50, 1299678), (60, 1083065), (75, 866452), (100, 649839), (150, 433226), (251, 258900), (300, 216613), (502, 129450), (753, 86300), (863, 75300), (1004, 64725), (1255, 51780), (1506, 43150), (1726, 37650), (2510, 25890), (2589, 25100), (3012, 21575), (3452, 18825), (3765, 17260), (4315, 15060), (5020, 12945), (5178, 12550), (6275, 10356), (7530, 8630)]