864540320

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{110273}}^1$

素因数の和:110302

約数の個数: 72

約数和(自身を含む): 2375963604

約数和(自身を除く): 1511423284

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 110273, 220546, 441092, 551365, 771911, 882184, 1102730, 1543822, 1764368, 2205460, 3087644, 3528736, 3859555, 4410920, 5403377, 6175288, 7719110, 8821840, 10806754, 12350576, 15438220, 17643680, 21613508, 24701152, 27016885, 30876440, 43227016, 54033770, 61752880, 86454032, 108067540, 123505760, 172908064, 216135080, 432270160, 864540320]

約数ペア:

[(1, 864540320), (2, 432270160), (4, 216135080), (5, 172908064), (7, 123505760), (8, 108067540), (10, 86454032), (14, 61752880), (16, 54033770), (20, 43227016), (28, 30876440), (32, 27016885), (35, 24701152), (40, 21613508), (49, 17643680), (56, 15438220), (70, 12350576), (80, 10806754), (98, 8821840), (112, 7719110), (140, 6175288), (160, 5403377), (196, 4410920), (224, 3859555), (245, 3528736), (280, 3087644), (392, 2205460), (490, 1764368), (560, 1543822), (784, 1102730), (980, 882184), (1120, 771911), (1568, 551365), (1960, 441092), (3920, 220546), (7840, 110273)]