68143640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1123}}^1$

素因数の和:1212

約数の個数: 64

約数和(自身を含む): 161451360

約数和(自身を除く): 93307720

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 1123, 1480, 1517, 1640, 2246, 3034, 4492, 5615, 6068, 7585, 8984, 11230, 12136, 15170, 22460, 30340, 41551, 44920, 46043, 60680, 83102, 92086, 166204, 184172, 207755, 230215, 332408, 368344, 415510, 460430, 831020, 920860, 1662040, 1703591, 1841720, 3407182, 6814364, 8517955, 13628728, 17035910, 34071820, 68143640]

約数ペア:

[(1, 68143640), (2, 34071820), (4, 17035910), (5, 13628728), (8, 8517955), (10, 6814364), (20, 3407182), (37, 1841720), (40, 1703591), (41, 1662040), (74, 920860), (82, 831020), (148, 460430), (164, 415510), (185, 368344), (205, 332408), (296, 230215), (328, 207755), (370, 184172), (410, 166204), (740, 92086), (820, 83102), (1123, 60680), (1480, 46043), (1517, 44920), (1640, 41551), (2246, 30340), (3034, 22460), (4492, 15170), (5615, 12136), (6068, 11230), (7585, 8984)]