66307720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2102

約数の個数: 64

約数和(自身を含む): 160776000

約数和(自身を除く): 94468280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2029, 3268, 4058, 4085, 6536, 8116, 8170, 10145, 16232, 16340, 20290, 32680, 38551, 40580, 77102, 81160, 87247, 154204, 174494, 192755, 308408, 348988, 385510, 436235, 697976, 771020, 872470, 1542040, 1657693, 1744940, 3315386, 3489880, 6630772, 8288465, 13261544, 16576930, 33153860, 66307720]

約数ペア:

[(1, 66307720), (2, 33153860), (4, 16576930), (5, 13261544), (8, 8288465), (10, 6630772), (19, 3489880), (20, 3315386), (38, 1744940), (40, 1657693), (43, 1542040), (76, 872470), (86, 771020), (95, 697976), (152, 436235), (172, 385510), (190, 348988), (215, 308408), (344, 192755), (380, 174494), (430, 154204), (760, 87247), (817, 81160), (860, 77102), (1634, 40580), (1720, 38551), (2029, 32680), (3268, 20290), (4058, 16340), (4085, 16232), (6536, 10145), (8116, 8170)]