87440340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{112103}}^1$

素因数の和:112128

約数の個数: 48

約数和(自身を含む): 263668608

約数和(自身を除く): 176228268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 112103, 224206, 336309, 448412, 560515, 672618, 1121030, 1345236, 1457339, 1681545, 2242060, 2914678, 3363090, 4372017, 5829356, 6726180, 7286695, 8744034, 14573390, 17488068, 21860085, 29146780, 43720170, 87440340]

約数ペア:

[(1, 87440340), (2, 43720170), (3, 29146780), (4, 21860085), (5, 17488068), (6, 14573390), (10, 8744034), (12, 7286695), (13, 6726180), (15, 5829356), (20, 4372017), (26, 3363090), (30, 2914678), (39, 2242060), (52, 1681545), (60, 1457339), (65, 1345236), (78, 1121030), (130, 672618), (156, 560515), (195, 448412), (260, 336309), (390, 224206), (780, 112103)]