87415640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7309}}^1$

素因数の和:7356

約数の個数: 64

約数和(自身を含む): 221054400

約数和(自身を除く): 133638760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 7309, 11960, 14618, 29236, 36545, 58472, 73090, 95017, 146180, 168107, 190034, 292360, 336214, 380068, 475085, 672428, 760136, 840535, 950170, 1344856, 1681070, 1900340, 2185391, 3362140, 3800680, 4370782, 6724280, 8741564, 10926955, 17483128, 21853910, 43707820, 87415640]

約数ペア:

[(1, 87415640), (2, 43707820), (4, 21853910), (5, 17483128), (8, 10926955), (10, 8741564), (13, 6724280), (20, 4370782), (23, 3800680), (26, 3362140), (40, 2185391), (46, 1900340), (52, 1681070), (65, 1344856), (92, 950170), (104, 840535), (115, 760136), (130, 672428), (184, 475085), (230, 380068), (260, 336214), (299, 292360), (460, 190034), (520, 168107), (598, 146180), (920, 95017), (1196, 73090), (1495, 58472), (2392, 36545), (2990, 29236), (5980, 14618), (7309, 11960)]