103420720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 260608320

約数和(自身を除く): 157187600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 277, 359, 520, 554, 718, 1040, 1108, 1385, 1436, 1795, 2216, 2770, 2872, 3590, 3601, 4432, 4667, 5540, 5744, 7180, 7202, 9334, 11080, 14360, 14404, 18005, 18668, 22160, 23335, 28720, 28808, 36010, 37336, 46670, 57616, 72020, 74672, 93340, 99443, 144040, 186680, 198886, 288080, 373360, 397772, 497215, 795544, 994430, 1292759, 1591088, 1988860, 2585518, 3977720, 5171036, 6463795, 7955440, 10342072, 12927590, 20684144, 25855180, 51710360, 103420720]

約数ペア:

[(1, 103420720), (2, 51710360), (4, 25855180), (5, 20684144), (8, 12927590), (10, 10342072), (13, 7955440), (16, 6463795), (20, 5171036), (26, 3977720), (40, 2585518), (52, 1988860), (65, 1591088), (80, 1292759), (104, 994430), (130, 795544), (208, 497215), (260, 397772), (277, 373360), (359, 288080), (520, 198886), (554, 186680), (718, 144040), (1040, 99443), (1108, 93340), (1385, 74672), (1436, 72020), (1795, 57616), (2216, 46670), (2770, 37336), (2872, 36010), (3590, 28808), (3601, 28720), (4432, 23335), (4667, 22160), (5540, 18668), (5744, 18005), (7180, 14404), (7202, 14360), (9334, 11080)]