253314720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4091}}^1$

素因数の和:4155

約数の個数: 144

約数和(自身を含む): 884755872

約数和(自身を除く): 631441152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2580, 3096, 3440, 3870, 4091, 4128, 5160, 6192, 6880, 7740, 8182, 10320, 12273, 12384, 15480, 16364, 20455, 20640, 24546, 30960, 32728, 36819, 40910, 49092, 61365, 61920, 65456, 73638, 81820, 98184, 122730, 130912, 147276, 163640, 175913, 184095, 196368, 245460, 294552, 327280, 351826, 368190, 392736, 490920, 527739, 589104, 654560, 703652, 736380, 879565, 981840, 1055478, 1178208, 1407304, 1472760, 1583217, 1759130, 1963680, 2110956, 2638695, 2814608, 2945520, 3166434, 3518260, 4221912, 5277390, 5629216, 5891040, 6332868, 7036520, 7916085, 8443824, 10554780, 12665736, 14073040, 15832170, 16887648, 21109560, 25331472, 28146080, 31664340, 42219120, 50662944, 63328680, 84438240, 126657360, 253314720]

約数ペア:

[(1, 253314720), (2, 126657360), (3, 84438240), (4, 63328680), (5, 50662944), (6, 42219120), (8, 31664340), (9, 28146080), (10, 25331472), (12, 21109560), (15, 16887648), (16, 15832170), (18, 14073040), (20, 12665736), (24, 10554780), (30, 8443824), (32, 7916085), (36, 7036520), (40, 6332868), (43, 5891040), (45, 5629216), (48, 5277390), (60, 4221912), (72, 3518260), (80, 3166434), (86, 2945520), (90, 2814608), (96, 2638695), (120, 2110956), (129, 1963680), (144, 1759130), (160, 1583217), (172, 1472760), (180, 1407304), (215, 1178208), (240, 1055478), (258, 981840), (288, 879565), (344, 736380), (360, 703652), (387, 654560), (430, 589104), (480, 527739), (516, 490920), (645, 392736), (688, 368190), (720, 351826), (774, 327280), (860, 294552), (1032, 245460), (1290, 196368), (1376, 184095), (1440, 175913), (1548, 163640), (1720, 147276), (1935, 130912), (2064, 122730), (2580, 98184), (3096, 81820), (3440, 73638), (3870, 65456), (4091, 61920), (4128, 61365), (5160, 49092), (6192, 40910), (6880, 36819), (7740, 32728), (8182, 30960), (10320, 24546), (12273, 20640), (12384, 20455), (15480, 16364)]