1280525040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{15739}}^1$

素因数の和:15871

約数の個数: 120

約数和(自身を含む): 4338762480

約数和(自身を除く): 3058237440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 113, 120, 144, 180, 226, 240, 339, 360, 452, 565, 678, 720, 904, 1017, 1130, 1356, 1695, 1808, 2034, 2260, 2712, 3390, 4068, 4520, 5085, 5424, 6780, 8136, 9040, 10170, 13560, 15739, 16272, 20340, 27120, 31478, 40680, 47217, 62956, 78695, 81360, 94434, 125912, 141651, 157390, 188868, 236085, 251824, 283302, 314780, 377736, 472170, 566604, 629560, 708255, 755472, 944340, 1133208, 1259120, 1416510, 1778507, 1888680, 2266416, 2833020, 3557014, 3777360, 5335521, 5666040, 7114028, 8892535, 10671042, 11332080, 14228056, 16006563, 17785070, 21342084, 26677605, 28456112, 32013126, 35570140, 42684168, 53355210, 64026252, 71140280, 80032815, 85368336, 106710420, 128052504, 142280560, 160065630, 213420840, 256105008, 320131260, 426841680, 640262520, 1280525040]

約数ペア:

[(1, 1280525040), (2, 640262520), (3, 426841680), (4, 320131260), (5, 256105008), (6, 213420840), (8, 160065630), (9, 142280560), (10, 128052504), (12, 106710420), (15, 85368336), (16, 80032815), (18, 71140280), (20, 64026252), (24, 53355210), (30, 42684168), (36, 35570140), (40, 32013126), (45, 28456112), (48, 26677605), (60, 21342084), (72, 17785070), (80, 16006563), (90, 14228056), (113, 11332080), (120, 10671042), (144, 8892535), (180, 7114028), (226, 5666040), (240, 5335521), (339, 3777360), (360, 3557014), (452, 2833020), (565, 2266416), (678, 1888680), (720, 1778507), (904, 1416510), (1017, 1259120), (1130, 1133208), (1356, 944340), (1695, 755472), (1808, 708255), (2034, 629560), (2260, 566604), (2712, 472170), (3390, 377736), (4068, 314780), (4520, 283302), (5085, 251824), (5424, 236085), (6780, 188868), (8136, 157390), (9040, 141651), (10170, 125912), (13560, 94434), (15739, 81360), (16272, 78695), (20340, 62956), (27120, 47217), (31478, 40680)]