1821469440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{67763}}^1$

素因数の和:67794

約数の個数: 144

約数和(自身を含む): 6648461568

約数和(自身を除く): 4826992128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 67763, 135526, 203289, 271052, 338815, 406578, 474341, 542104, 677630, 813156, 948682, 1016445, 1084208, 1355260, 1423023, 1626312, 1897364, 2032890, 2168416, 2371705, 2710520, 2846046, 3252624, 3794728, 4065780, 4336832, 4743410, 5421040, 5692092, 6505248, 7115115, 7589456, 8131560, 8673664, 9486820, 10842080, 11384184, 13010496, 14230230, 15178912, 16263120, 17347328, 18973640, 21684160, 22768368, 26020992, 28460460, 30357824, 32526240, 37947280, 43368320, 45536736, 52041984, 56920920, 60715648, 65052480, 75894560, 86736640, 91073472, 113841840, 121431296, 130104960, 151789120, 182146944, 227683680, 260209920, 303578240, 364293888, 455367360, 607156480, 910734720, 1821469440]

約数ペア:

[(1, 1821469440), (2, 910734720), (3, 607156480), (4, 455367360), (5, 364293888), (6, 303578240), (7, 260209920), (8, 227683680), (10, 182146944), (12, 151789120), (14, 130104960), (15, 121431296), (16, 113841840), (20, 91073472), (21, 86736640), (24, 75894560), (28, 65052480), (30, 60715648), (32, 56920920), (35, 52041984), (40, 45536736), (42, 43368320), (48, 37947280), (56, 32526240), (60, 30357824), (64, 28460460), (70, 26020992), (80, 22768368), (84, 21684160), (96, 18973640), (105, 17347328), (112, 16263120), (120, 15178912), (128, 14230230), (140, 13010496), (160, 11384184), (168, 10842080), (192, 9486820), (210, 8673664), (224, 8131560), (240, 7589456), (256, 7115115), (280, 6505248), (320, 5692092), (336, 5421040), (384, 4743410), (420, 4336832), (448, 4065780), (480, 3794728), (560, 3252624), (640, 2846046), (672, 2710520), (768, 2371705), (840, 2168416), (896, 2032890), (960, 1897364), (1120, 1626312), (1280, 1423023), (1344, 1355260), (1680, 1084208), (1792, 1016445), (1920, 948682), (2240, 813156), (2688, 677630), (3360, 542104), (3840, 474341), (4480, 406578), (5376, 338815), (6720, 271052), (8960, 203289), (13440, 135526), (26880, 67763)]