142663720

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 328950720

約数和(自身を除く): 186287000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 97, 166, 194, 332, 388, 415, 443, 485, 664, 776, 830, 886, 970, 1660, 1772, 1940, 2215, 3320, 3544, 3880, 4430, 8051, 8860, 16102, 17720, 32204, 36769, 40255, 42971, 64408, 73538, 80510, 85942, 147076, 161020, 171884, 183845, 214855, 294152, 322040, 343768, 367690, 429710, 735380, 859420, 1470760, 1718840, 3566593, 7133186, 14266372, 17832965, 28532744, 35665930, 71331860, 142663720]

約数ペア:

[(1, 142663720), (2, 71331860), (4, 35665930), (5, 28532744), (8, 17832965), (10, 14266372), (20, 7133186), (40, 3566593), (83, 1718840), (97, 1470760), (166, 859420), (194, 735380), (332, 429710), (388, 367690), (415, 343768), (443, 322040), (485, 294152), (664, 214855), (776, 183845), (830, 171884), (886, 161020), (970, 147076), (1660, 85942), (1772, 80510), (1940, 73538), (2215, 64408), (3320, 42971), (3544, 40255), (3880, 36769), (4430, 32204), (8051, 17720), (8860, 16102)]