80240895

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 128

約数和(自身を含む): 177408000

約数和(自身を除く): 97167105

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 41, 45, 57, 63, 95, 105, 109, 123, 133, 135, 171, 189, 205, 285, 287, 315, 327, 369, 399, 513, 545, 615, 665, 763, 779, 855, 861, 945, 981, 1107, 1197, 1435, 1635, 1845, 1995, 2071, 2289, 2337, 2565, 2583, 2943, 3591, 3815, 3895, 4305, 4469, 4905, 5453, 5535, 5985, 6213, 6867, 7011, 7749, 10355, 11445, 11685, 12915, 13407, 14497, 14715, 16359, 17955, 18639, 20601, 21033, 22345, 27265, 31065, 31283, 34335, 35055, 38745, 40221, 43491, 49077, 55917, 67035, 72485, 81795, 84911, 93195, 93849, 103005, 105165, 120663, 130473, 147231, 156415, 201105, 217455, 245385, 254733, 279585, 281547, 391419, 424555, 469245, 594377, 603315, 652365, 736155, 764199, 844641, 1273665, 1407735, 1783131, 1957095, 2292597, 2971885, 3820995, 4223205, 5349393, 8915655, 11462985, 16048179, 26746965, 80240895]

約数ペア:

[(1, 80240895), (3, 26746965), (5, 16048179), (7, 11462985), (9, 8915655), (15, 5349393), (19, 4223205), (21, 3820995), (27, 2971885), (35, 2292597), (41, 1957095), (45, 1783131), (57, 1407735), (63, 1273665), (95, 844641), (105, 764199), (109, 736155), (123, 652365), (133, 603315), (135, 594377), (171, 469245), (189, 424555), (205, 391419), (285, 281547), (287, 279585), (315, 254733), (327, 245385), (369, 217455), (399, 201105), (513, 156415), (545, 147231), (615, 130473), (665, 120663), (763, 105165), (779, 103005), (855, 93849), (861, 93195), (945, 84911), (981, 81795), (1107, 72485), (1197, 67035), (1435, 55917), (1635, 49077), (1845, 43491), (1995, 40221), (2071, 38745), (2289, 35055), (2337, 34335), (2565, 31283), (2583, 31065), (2943, 27265), (3591, 22345), (3815, 21033), (3895, 20601), (4305, 18639), (4469, 17955), (4905, 16359), (5453, 14715), (5535, 14497), (5985, 13407), (6213, 12915), (6867, 11685), (7011, 11445), (7749, 10355)]