278236080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{128813}}^1$

素因数の和:128835

約数の個数: 80

約数和(自身を含む): 958376160

約数和(自身を除く): 680140080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 128813, 257626, 386439, 515252, 644065, 772878, 1030504, 1159317, 1288130, 1545756, 1932195, 2061008, 2318634, 2576260, 3091512, 3477951, 3864390, 4637268, 5152520, 5796585, 6183024, 6955902, 7728780, 9274536, 10305040, 11593170, 13911804, 15457560, 17389755, 18549072, 23186340, 27823608, 30915120, 34779510, 46372680, 55647216, 69559020, 92745360, 139118040, 278236080]

約数ペア:

[(1, 278236080), (2, 139118040), (3, 92745360), (4, 69559020), (5, 55647216), (6, 46372680), (8, 34779510), (9, 30915120), (10, 27823608), (12, 23186340), (15, 18549072), (16, 17389755), (18, 15457560), (20, 13911804), (24, 11593170), (27, 10305040), (30, 9274536), (36, 7728780), (40, 6955902), (45, 6183024), (48, 5796585), (54, 5152520), (60, 4637268), (72, 3864390), (80, 3477951), (90, 3091512), (108, 2576260), (120, 2318634), (135, 2061008), (144, 1932195), (180, 1545756), (216, 1288130), (240, 1159317), (270, 1030504), (360, 772878), (432, 644065), (540, 515252), (720, 386439), (1080, 257626), (2160, 128813)]