155059665

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 274924800

約数和(自身を除く): 119865135

約数列:

[1, 3, 5, 15, 19, 29, 57, 73, 87, 95, 145, 219, 257, 285, 365, 435, 551, 771, 1095, 1285, 1387, 1653, 2117, 2755, 3855, 4161, 4883, 6351, 6935, 7453, 8265, 10585, 14649, 18761, 20805, 22359, 24415, 31755, 37265, 40223, 56283, 73245, 93805, 111795, 120669, 141607, 201115, 281415, 356459, 424821, 544069, 603345, 708035, 1069377, 1632207, 1782295, 2124105, 2720345, 5346885, 8161035, 10337311, 31011933, 51686555, 155059665]

約数ペア:

[(1, 155059665), (3, 51686555), (5, 31011933), (15, 10337311), (19, 8161035), (29, 5346885), (57, 2720345), (73, 2124105), (87, 1782295), (95, 1632207), (145, 1069377), (219, 708035), (257, 603345), (285, 544069), (365, 424821), (435, 356459), (551, 281415), (771, 201115), (1095, 141607), (1285, 120669), (1387, 111795), (1653, 93805), (2117, 73245), (2755, 56283), (3855, 40223), (4161, 37265), (4883, 31755), (6351, 24415), (6935, 22359), (7453, 20805), (8265, 18761), (10585, 14649)]