261690390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223667}}^1$

素因数の和:223693

約数の個数: 48

約数和(自身を含む): 732736368

約数和(自身を除く): 471045978

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 223667, 447334, 671001, 1118335, 1342002, 2013003, 2236670, 2907671, 3355005, 4026006, 5815342, 6710010, 8723013, 10065015, 14538355, 17446026, 20130030, 26169039, 29076710, 43615065, 52338078, 87230130, 130845195, 261690390]

約数ペア:

[(1, 261690390), (2, 130845195), (3, 87230130), (5, 52338078), (6, 43615065), (9, 29076710), (10, 26169039), (13, 20130030), (15, 17446026), (18, 14538355), (26, 10065015), (30, 8723013), (39, 6710010), (45, 5815342), (65, 4026006), (78, 3355005), (90, 2907671), (117, 2236670), (130, 2013003), (195, 1342002), (234, 1118335), (390, 671001), (585, 447334), (1170, 223667)]