2015444775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^2\times {\mathrm{149}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 3586712400

約数和(自身を除く): 1571267625

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 103, 149, 255, 309, 425, 447, 515, 745, 1275, 1545, 1751, 2235, 2533, 2575, 3725, 5253, 7599, 7725, 8755, 10609, 11175, 12665, 15347, 26265, 31827, 37995, 43775, 46041, 53045, 63325, 76735, 131325, 159135, 180353, 189975, 230205, 260899, 265225, 383675, 541059, 782697, 795675, 901765, 1151025, 1304495, 1580741, 2705295, 3913485, 4508825, 4742223, 6522475, 7903705, 13526475, 19567425, 23711115, 26872597, 39518525, 80617791, 118555575, 134362985, 403088955, 671814925, 2015444775]

約数ペア:

[(1, 2015444775), (3, 671814925), (5, 403088955), (15, 134362985), (17, 118555575), (25, 80617791), (51, 39518525), (75, 26872597), (85, 23711115), (103, 19567425), (149, 13526475), (255, 7903705), (309, 6522475), (425, 4742223), (447, 4508825), (515, 3913485), (745, 2705295), (1275, 1580741), (1545, 1304495), (1751, 1151025), (2235, 901765), (2533, 795675), (2575, 782697), (3725, 541059), (5253, 383675), (7599, 265225), (7725, 260899), (8755, 230205), (10609, 189975), (11175, 180353), (12665, 159135), (15347, 131325), (26265, 76735), (31827, 63325), (37995, 53045), (43775, 46041)]