78530320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 200558592

約数和(自身を除く): 122028272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 233, 383, 440, 466, 766, 880, 932, 1165, 1532, 1864, 1915, 2330, 2563, 3064, 3728, 3830, 4213, 4660, 5126, 6128, 7660, 8426, 9320, 10252, 12815, 15320, 16852, 18640, 20504, 21065, 25630, 30640, 33704, 41008, 42130, 51260, 67408, 84260, 89239, 102520, 168520, 178478, 205040, 337040, 356956, 446195, 713912, 892390, 981629, 1427824, 1784780, 1963258, 3569560, 3926516, 4908145, 7139120, 7853032, 9816290, 15706064, 19632580, 39265160, 78530320]

約数ペア:

[(1, 78530320), (2, 39265160), (4, 19632580), (5, 15706064), (8, 9816290), (10, 7853032), (11, 7139120), (16, 4908145), (20, 3926516), (22, 3569560), (40, 1963258), (44, 1784780), (55, 1427824), (80, 981629), (88, 892390), (110, 713912), (176, 446195), (220, 356956), (233, 337040), (383, 205040), (440, 178478), (466, 168520), (766, 102520), (880, 89239), (932, 84260), (1165, 67408), (1532, 51260), (1864, 42130), (1915, 41008), (2330, 33704), (2563, 30640), (3064, 25630), (3728, 21065), (3830, 20504), (4213, 18640), (4660, 16852), (5126, 15320), (6128, 12815), (7660, 10252), (8426, 9320)]