67210520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7603}}^1$

素因数の和:7644

約数の個数: 64

約数和(自身を含む): 172458720

約数和(自身を除く): 105248200

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 7603, 8840, 15206, 30412, 38015, 60824, 76030, 98839, 129251, 152060, 197678, 258502, 304120, 395356, 494195, 517004, 646255, 790712, 988390, 1034008, 1292510, 1680263, 1976780, 2585020, 3360526, 3953560, 5170040, 6721052, 8401315, 13442104, 16802630, 33605260, 67210520]

約数ペア:

[(1, 67210520), (2, 33605260), (4, 16802630), (5, 13442104), (8, 8401315), (10, 6721052), (13, 5170040), (17, 3953560), (20, 3360526), (26, 2585020), (34, 1976780), (40, 1680263), (52, 1292510), (65, 1034008), (68, 988390), (85, 790712), (104, 646255), (130, 517004), (136, 494195), (170, 395356), (221, 304120), (260, 258502), (340, 197678), (442, 152060), (520, 129251), (680, 98839), (884, 76030), (1105, 60824), (1768, 38015), (2210, 30412), (4420, 15206), (7603, 8840)]