491132880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{13921}}^1$

素因数の和:13954

約数の個数: 180

約数和(自身を含む): 1918813572

約数和(自身を除く): 1427680692

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 13921, 17640, 27842, 35280, 41763, 55684, 69605, 83526, 97447, 111368, 125289, 139210, 167052, 194894, 208815, 222736, 250578, 278420, 292341, 334104, 389788, 417630, 487235, 501156, 556840, 584682, 626445, 668208, 682129, 779576, 835260, 877023, 974470, 1002312, 1113680, 1169364, 1252890, 1364258, 1461705, 1559152, 1670520, 1754046, 1948940, 2004624, 2046387, 2338728, 2505780, 2728516, 2923410, 3341040, 3410645, 3508092, 3897880, 4092774, 4385115, 4677456, 5011560, 5457032, 5846820, 6139161, 6821290, 7016184, 7795760, 8185548, 8770230, 10023120, 10231935, 10914064, 11693640, 12278322, 13642580, 14032368, 16371096, 17540460, 20463870, 23387280, 24556644, 27285160, 30695805, 32742192, 35080920, 40927740, 49113288, 54570320, 61391610, 70161840, 81855480, 98226576, 122783220, 163710960, 245566440, 491132880]

約数ペア:

[(1, 491132880), (2, 245566440), (3, 163710960), (4, 122783220), (5, 98226576), (6, 81855480), (7, 70161840), (8, 61391610), (9, 54570320), (10, 49113288), (12, 40927740), (14, 35080920), (15, 32742192), (16, 30695805), (18, 27285160), (20, 24556644), (21, 23387280), (24, 20463870), (28, 17540460), (30, 16371096), (35, 14032368), (36, 13642580), (40, 12278322), (42, 11693640), (45, 10914064), (48, 10231935), (49, 10023120), (56, 8770230), (60, 8185548), (63, 7795760), (70, 7016184), (72, 6821290), (80, 6139161), (84, 5846820), (90, 5457032), (98, 5011560), (105, 4677456), (112, 4385115), (120, 4092774), (126, 3897880), (140, 3508092), (144, 3410645), (147, 3341040), (168, 2923410), (180, 2728516), (196, 2505780), (210, 2338728), (240, 2046387), (245, 2004624), (252, 1948940), (280, 1754046), (294, 1670520), (315, 1559152), (336, 1461705), (360, 1364258), (392, 1252890), (420, 1169364), (441, 1113680), (490, 1002312), (504, 974470), (560, 877023), (588, 835260), (630, 779576), (720, 682129), (735, 668208), (784, 626445), (840, 584682), (882, 556840), (980, 501156), (1008, 487235), (1176, 417630), (1260, 389788), (1470, 334104), (1680, 292341), (1764, 278420), (1960, 250578), (2205, 222736), (2352, 208815), (2520, 194894), (2940, 167052), (3528, 139210), (3920, 125289), (4410, 111368), (5040, 97447), (5880, 83526), (7056, 69605), (8820, 55684), (11760, 41763), (13921, 35280), (17640, 27842)]