42575865

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 76185600

約数和(自身を除く): 33609735

約数列:

[1, 3, 5, 15, 19, 31, 57, 61, 79, 93, 95, 155, 183, 237, 285, 305, 395, 465, 589, 915, 1159, 1185, 1501, 1767, 1891, 2449, 2945, 3477, 4503, 4819, 5673, 5795, 7347, 7505, 8835, 9455, 12245, 14457, 17385, 22515, 24095, 28365, 35929, 36735, 46531, 72285, 91561, 107787, 139593, 149389, 179645, 232655, 274683, 448167, 457805, 538935, 697965, 746945, 1373415, 2240835, 2838391, 8515173, 14191955, 42575865]

約数ペア:

[(1, 42575865), (3, 14191955), (5, 8515173), (15, 2838391), (19, 2240835), (31, 1373415), (57, 746945), (61, 697965), (79, 538935), (93, 457805), (95, 448167), (155, 274683), (183, 232655), (237, 179645), (285, 149389), (305, 139593), (395, 107787), (465, 91561), (589, 72285), (915, 46531), (1159, 36735), (1185, 35929), (1501, 28365), (1767, 24095), (1891, 22515), (2449, 17385), (2945, 14457), (3477, 12245), (4503, 9455), (4819, 8835), (5673, 7505), (5795, 7347)]