161818320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5309}}^1$

素因数の和:5452

約数の個数: 80

約数和(自身を含む): 505681920

約数和(自身を除く): 343863600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 127, 240, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2032, 2540, 3048, 3810, 5080, 5309, 6096, 7620, 10160, 10618, 15240, 15927, 21236, 26545, 30480, 31854, 42472, 53090, 63708, 79635, 84944, 106180, 127416, 159270, 212360, 254832, 318540, 424720, 637080, 674243, 1274160, 1348486, 2022729, 2696972, 3371215, 4045458, 5393944, 6742430, 8090916, 10113645, 10787888, 13484860, 16181832, 20227290, 26969720, 32363664, 40454580, 53939440, 80909160, 161818320]

約数ペア:

[(1, 161818320), (2, 80909160), (3, 53939440), (4, 40454580), (5, 32363664), (6, 26969720), (8, 20227290), (10, 16181832), (12, 13484860), (15, 10787888), (16, 10113645), (20, 8090916), (24, 6742430), (30, 5393944), (40, 4045458), (48, 3371215), (60, 2696972), (80, 2022729), (120, 1348486), (127, 1274160), (240, 674243), (254, 637080), (381, 424720), (508, 318540), (635, 254832), (762, 212360), (1016, 159270), (1270, 127416), (1524, 106180), (1905, 84944), (2032, 79635), (2540, 63708), (3048, 53090), (3810, 42472), (5080, 31854), (5309, 30480), (6096, 26545), (7620, 21236), (10160, 15927), (10618, 15240)]