68137680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21839}}^1$

素因数の和:21868

約数の個数: 80

約数和(自身を含む): 227485440

約数和(自身を除く): 159347760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21839, 43678, 65517, 87356, 109195, 131034, 174712, 218390, 262068, 283907, 327585, 349424, 436780, 524136, 567814, 655170, 851721, 873560, 1048272, 1135628, 1310340, 1419535, 1703442, 1747120, 2271256, 2620680, 2839070, 3406884, 4258605, 4542512, 5241360, 5678140, 6813768, 8517210, 11356280, 13627536, 17034420, 22712560, 34068840, 68137680]

約数ペア:

[(1, 68137680), (2, 34068840), (3, 22712560), (4, 17034420), (5, 13627536), (6, 11356280), (8, 8517210), (10, 6813768), (12, 5678140), (13, 5241360), (15, 4542512), (16, 4258605), (20, 3406884), (24, 2839070), (26, 2620680), (30, 2271256), (39, 1747120), (40, 1703442), (48, 1419535), (52, 1310340), (60, 1135628), (65, 1048272), (78, 873560), (80, 851721), (104, 655170), (120, 567814), (130, 524136), (156, 436780), (195, 349424), (208, 327585), (240, 283907), (260, 262068), (312, 218390), (390, 174712), (520, 131034), (624, 109195), (780, 87356), (1040, 65517), (1560, 43678), (3120, 21839)]