31243680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1703

約数の個数: 144

約数和(自身を含む): 114889320

約数和(自身を除く): 83645640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1669, 1872, 2080, 2340, 3120, 3338, 3744, 4680, 5007, 6240, 6676, 8345, 9360, 10014, 13352, 15021, 16690, 18720, 20028, 21697, 25035, 26704, 30042, 33380, 40056, 43394, 50070, 53408, 60084, 65091, 66760, 75105, 80112, 86788, 100140, 108485, 120168, 130182, 133520, 150210, 160224, 173576, 195273, 200280, 216970, 240336, 260364, 267040, 300420, 325455, 347152, 390546, 400560, 433940, 480672, 520728, 600840, 650910, 694304, 781092, 801120, 867880, 976365, 1041456, 1201680, 1301820, 1562184, 1735760, 1952730, 2082912, 2403360, 2603640, 3124368, 3471520, 3905460, 5207280, 6248736, 7810920, 10414560, 15621840, 31243680]

約数ペア:

[(1, 31243680), (2, 15621840), (3, 10414560), (4, 7810920), (5, 6248736), (6, 5207280), (8, 3905460), (9, 3471520), (10, 3124368), (12, 2603640), (13, 2403360), (15, 2082912), (16, 1952730), (18, 1735760), (20, 1562184), (24, 1301820), (26, 1201680), (30, 1041456), (32, 976365), (36, 867880), (39, 801120), (40, 781092), (45, 694304), (48, 650910), (52, 600840), (60, 520728), (65, 480672), (72, 433940), (78, 400560), (80, 390546), (90, 347152), (96, 325455), (104, 300420), (117, 267040), (120, 260364), (130, 240336), (144, 216970), (156, 200280), (160, 195273), (180, 173576), (195, 160224), (208, 150210), (234, 133520), (240, 130182), (260, 120168), (288, 108485), (312, 100140), (360, 86788), (390, 80112), (416, 75105), (468, 66760), (480, 65091), (520, 60084), (585, 53408), (624, 50070), (720, 43394), (780, 40056), (936, 33380), (1040, 30042), (1170, 26704), (1248, 25035), (1440, 21697), (1560, 20028), (1669, 18720), (1872, 16690), (2080, 15021), (2340, 13352), (3120, 10014), (3338, 9360), (3744, 8345), (4680, 6676), (5007, 6240)]