72340780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{809}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 161663040

約数和(自身を除く): 89322260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 340, 526, 809, 1052, 1315, 1618, 2630, 3236, 4045, 4471, 5260, 8090, 8942, 13753, 16180, 17884, 22355, 27506, 44710, 55012, 68765, 89420, 137530, 212767, 275060, 425534, 851068, 1063835, 2127670, 3617039, 4255340, 7234078, 14468156, 18085195, 36170390, 72340780]

約数ペア:

[(1, 72340780), (2, 36170390), (4, 18085195), (5, 14468156), (10, 7234078), (17, 4255340), (20, 3617039), (34, 2127670), (68, 1063835), (85, 851068), (170, 425534), (263, 275060), (340, 212767), (526, 137530), (809, 89420), (1052, 68765), (1315, 55012), (1618, 44710), (2630, 27506), (3236, 22355), (4045, 17884), (4471, 16180), (5260, 13753), (8090, 8942)]