72814040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4517}}^1$

素因数の和:4572

約数の個数: 64

約数和(自身を含む): 182165760

約数和(自身を除く): 109351720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4517, 8060, 9034, 16120, 18068, 22585, 36136, 45170, 58721, 90340, 117442, 140027, 180680, 234884, 280054, 293605, 469768, 560108, 587210, 700135, 1120216, 1174420, 1400270, 1820351, 2348840, 2800540, 3640702, 5601080, 7281404, 9101755, 14562808, 18203510, 36407020, 72814040]

約数ペア:

[(1, 72814040), (2, 36407020), (4, 18203510), (5, 14562808), (8, 9101755), (10, 7281404), (13, 5601080), (20, 3640702), (26, 2800540), (31, 2348840), (40, 1820351), (52, 1400270), (62, 1174420), (65, 1120216), (104, 700135), (124, 587210), (130, 560108), (155, 469768), (248, 293605), (260, 280054), (310, 234884), (403, 180680), (520, 140027), (620, 117442), (806, 90340), (1240, 58721), (1612, 45170), (2015, 36136), (3224, 22585), (4030, 18068), (4517, 16120), (8060, 9034)]