87870900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{22531}}^1$

素因数の和:22561

約数の個数: 72

約数和(自身を含む): 273808864

約数和(自身を除く): 185937964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 22531, 45062, 67593, 90124, 112655, 135186, 225310, 270372, 292903, 337965, 450620, 563275, 585806, 675930, 878709, 1126550, 1171612, 1351860, 1464515, 1689825, 1757418, 2253100, 2929030, 3379650, 3514836, 4393545, 5858060, 6759300, 7322575, 8787090, 14645150, 17574180, 21967725, 29290300, 43935450, 87870900]

約数ペア:

[(1, 87870900), (2, 43935450), (3, 29290300), (4, 21967725), (5, 17574180), (6, 14645150), (10, 8787090), (12, 7322575), (13, 6759300), (15, 5858060), (20, 4393545), (25, 3514836), (26, 3379650), (30, 2929030), (39, 2253100), (50, 1757418), (52, 1689825), (60, 1464515), (65, 1351860), (75, 1171612), (78, 1126550), (100, 878709), (130, 675930), (150, 585806), (156, 563275), (195, 450620), (260, 337965), (300, 292903), (325, 270372), (390, 225310), (650, 135186), (780, 112655), (975, 90124), (1300, 67593), (1950, 45062), (3900, 22531)]