74326360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 173606400

約数和(自身を除く): 99280040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 79, 86, 158, 172, 215, 316, 344, 395, 430, 547, 632, 790, 860, 1094, 1580, 1720, 2188, 2735, 3160, 3397, 4376, 5470, 6794, 10940, 13588, 16985, 21880, 23521, 27176, 33970, 43213, 47042, 67940, 86426, 94084, 117605, 135880, 172852, 188168, 216065, 235210, 345704, 432130, 470420, 864260, 940840, 1728520, 1858159, 3716318, 7432636, 9290795, 14865272, 18581590, 37163180, 74326360]

約数ペア:

[(1, 74326360), (2, 37163180), (4, 18581590), (5, 14865272), (8, 9290795), (10, 7432636), (20, 3716318), (40, 1858159), (43, 1728520), (79, 940840), (86, 864260), (158, 470420), (172, 432130), (215, 345704), (316, 235210), (344, 216065), (395, 188168), (430, 172852), (547, 135880), (632, 117605), (790, 94084), (860, 86426), (1094, 67940), (1580, 47042), (1720, 43213), (2188, 33970), (2735, 27176), (3160, 23521), (3397, 21880), (4376, 16985), (5470, 13588), (6794, 10940)]