638737920

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{9241}}^1$

素因数の和:9273

約数の個数: 160

約数和(自身を含む): 2269095840

約数和(自身を除く): 1630357920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 9241, 11520, 13824, 17280, 18482, 23040, 27723, 34560, 36964, 46205, 55446, 69120, 73928, 83169, 92410, 110892, 138615, 147856, 166338, 184820, 221784, 249507, 277230, 295712, 332676, 369640, 415845, 443568, 499014, 554460, 591424, 665352, 739280, 831690, 887136, 998028, 1108920, 1182848, 1247535, 1330704, 1478560, 1663380, 1774272, 1996056, 2217840, 2365696, 2495070, 2661408, 2957120, 3326760, 3548544, 3992112, 4435680, 4731392, 4990140, 5322816, 5914240, 6653520, 7097088, 7984224, 8871360, 9980280, 10645632, 11828480, 13307040, 14194176, 15968448, 17742720, 19960560, 21291264, 23656960, 26614080, 31936896, 35485440, 39921120, 42582528, 53228160, 63873792, 70970880, 79842240, 106456320, 127747584, 159684480, 212912640, 319368960, 638737920]

約数ペア:

[(1, 638737920), (2, 319368960), (3, 212912640), (4, 159684480), (5, 127747584), (6, 106456320), (8, 79842240), (9, 70970880), (10, 63873792), (12, 53228160), (15, 42582528), (16, 39921120), (18, 35485440), (20, 31936896), (24, 26614080), (27, 23656960), (30, 21291264), (32, 19960560), (36, 17742720), (40, 15968448), (45, 14194176), (48, 13307040), (54, 11828480), (60, 10645632), (64, 9980280), (72, 8871360), (80, 7984224), (90, 7097088), (96, 6653520), (108, 5914240), (120, 5322816), (128, 4990140), (135, 4731392), (144, 4435680), (160, 3992112), (180, 3548544), (192, 3326760), (216, 2957120), (240, 2661408), (256, 2495070), (270, 2365696), (288, 2217840), (320, 1996056), (360, 1774272), (384, 1663380), (432, 1478560), (480, 1330704), (512, 1247535), (540, 1182848), (576, 1108920), (640, 998028), (720, 887136), (768, 831690), (864, 739280), (960, 665352), (1080, 591424), (1152, 554460), (1280, 499014), (1440, 443568), (1536, 415845), (1728, 369640), (1920, 332676), (2160, 295712), (2304, 277230), (2560, 249507), (2880, 221784), (3456, 184820), (3840, 166338), (4320, 147856), (4608, 138615), (5760, 110892), (6912, 92410), (7680, 83169), (8640, 73928), (9241, 69120), (11520, 55446), (13824, 46205), (17280, 36964), (18482, 34560), (23040, 27723)]