156660795

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 295666800

約数和(自身を除く): 139006005

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 109, 123, 171, 205, 285, 327, 369, 545, 615, 779, 855, 981, 1635, 1681, 1845, 2071, 2337, 3895, 4469, 4905, 5043, 6213, 7011, 8405, 10355, 11685, 13407, 15129, 18639, 22345, 25215, 31065, 31939, 35055, 40221, 67035, 75645, 84911, 93195, 95817, 159695, 183229, 201105, 254733, 287451, 424555, 479085, 549687, 764199, 916145, 1273665, 1437255, 1649061, 2748435, 3481351, 3820995, 8245305, 10444053, 17406755, 31332159, 52220265, 156660795]

約数ペア:

[(1, 156660795), (3, 52220265), (5, 31332159), (9, 17406755), (15, 10444053), (19, 8245305), (41, 3820995), (45, 3481351), (57, 2748435), (95, 1649061), (109, 1437255), (123, 1273665), (171, 916145), (205, 764199), (285, 549687), (327, 479085), (369, 424555), (545, 287451), (615, 254733), (779, 201105), (855, 183229), (981, 159695), (1635, 95817), (1681, 93195), (1845, 84911), (2071, 75645), (2337, 67035), (3895, 40221), (4469, 35055), (4905, 31939), (5043, 31065), (6213, 25215), (7011, 22345), (8405, 18639), (10355, 15129), (11685, 13407)]