280647360

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{13921}}^1$

素因数の和:13951

約数の個数: 168

約数和(自身を含む): 1103290656

約数和(自身を除く): 822643296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 13921, 20160, 27842, 41763, 55684, 69605, 83526, 97447, 111368, 125289, 139210, 167052, 194894, 208815, 222736, 250578, 278420, 292341, 334104, 389788, 417630, 445472, 487235, 501156, 556840, 584682, 626445, 668208, 779576, 835260, 877023, 890944, 974470, 1002312, 1113680, 1169364, 1252890, 1336416, 1461705, 1559152, 1670520, 1754046, 1948940, 2004624, 2227360, 2338728, 2505780, 2672832, 2923410, 3118304, 3341040, 3508092, 3897880, 4009248, 4385115, 4454720, 4677456, 5011560, 5846820, 6236608, 6682080, 7016184, 7795760, 8018496, 8770230, 9354912, 10023120, 11693640, 13364160, 14032368, 15591520, 17540460, 18709824, 20046240, 23387280, 28064736, 31183040, 35080920, 40092480, 46774560, 56129472, 70161840, 93549120, 140323680, 280647360]

約数ペア:

[(1, 280647360), (2, 140323680), (3, 93549120), (4, 70161840), (5, 56129472), (6, 46774560), (7, 40092480), (8, 35080920), (9, 31183040), (10, 28064736), (12, 23387280), (14, 20046240), (15, 18709824), (16, 17540460), (18, 15591520), (20, 14032368), (21, 13364160), (24, 11693640), (28, 10023120), (30, 9354912), (32, 8770230), (35, 8018496), (36, 7795760), (40, 7016184), (42, 6682080), (45, 6236608), (48, 5846820), (56, 5011560), (60, 4677456), (63, 4454720), (64, 4385115), (70, 4009248), (72, 3897880), (80, 3508092), (84, 3341040), (90, 3118304), (96, 2923410), (105, 2672832), (112, 2505780), (120, 2338728), (126, 2227360), (140, 2004624), (144, 1948940), (160, 1754046), (168, 1670520), (180, 1559152), (192, 1461705), (210, 1336416), (224, 1252890), (240, 1169364), (252, 1113680), (280, 1002312), (288, 974470), (315, 890944), (320, 877023), (336, 835260), (360, 779576), (420, 668208), (448, 626445), (480, 584682), (504, 556840), (560, 501156), (576, 487235), (630, 445472), (672, 417630), (720, 389788), (840, 334104), (960, 292341), (1008, 278420), (1120, 250578), (1260, 222736), (1344, 208815), (1440, 194894), (1680, 167052), (2016, 139210), (2240, 125289), (2520, 111368), (2880, 97447), (3360, 83526), (4032, 69605), (5040, 55684), (6720, 41763), (10080, 27842), (13921, 20160)]