406709280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^2$

素因数の和:220

約数の個数: 216

約数和(自身を含む): 1433718468

約数和(自身を除く): 1027009188

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 73, 80, 90, 96, 106, 120, 144, 146, 159, 160, 180, 212, 219, 240, 265, 288, 292, 318, 360, 365, 424, 438, 477, 480, 530, 584, 636, 657, 720, 730, 795, 848, 876, 954, 1060, 1095, 1168, 1272, 1314, 1440, 1460, 1590, 1696, 1752, 1908, 2120, 2190, 2336, 2385, 2544, 2628, 2920, 3180, 3285, 3504, 3816, 3869, 4240, 4380, 4770, 5088, 5256, 5329, 5840, 6360, 6570, 7008, 7632, 7738, 8480, 8760, 9540, 10512, 10658, 11607, 11680, 12720, 13140, 15264, 15476, 15987, 17520, 19080, 19345, 21024, 21316, 23214, 25440, 26280, 26645, 30952, 31974, 34821, 35040, 38160, 38690, 42632, 46428, 47961, 52560, 53290, 58035, 61904, 63948, 69642, 76320, 77380, 79935, 85264, 92856, 95922, 105120, 106580, 116070, 123808, 127896, 139284, 154760, 159870, 170528, 174105, 185712, 191844, 213160, 232140, 239805, 255792, 278568, 282437, 309520, 319740, 348210, 371424, 383688, 426320, 464280, 479610, 511584, 557136, 564874, 619040, 639480, 696420, 767376, 847311, 852640, 928560, 959220, 1114272, 1129748, 1278960, 1392840, 1412185, 1534752, 1694622, 1857120, 1918440, 2259496, 2541933, 2557920, 2785680, 2824370, 3389244, 3836880, 4236555, 4518992, 5083866, 5571360, 5648740, 6778488, 7673760, 8473110, 9037984, 10167732, 11297480, 12709665, 13556976, 16946220, 20335464, 22594960, 25419330, 27113952, 33892440, 40670928, 45189920, 50838660, 67784880, 81341856, 101677320, 135569760, 203354640, 406709280]

約数ペア:

[(1, 406709280), (2, 203354640), (3, 135569760), (4, 101677320), (5, 81341856), (6, 67784880), (8, 50838660), (9, 45189920), (10, 40670928), (12, 33892440), (15, 27113952), (16, 25419330), (18, 22594960), (20, 20335464), (24, 16946220), (30, 13556976), (32, 12709665), (36, 11297480), (40, 10167732), (45, 9037984), (48, 8473110), (53, 7673760), (60, 6778488), (72, 5648740), (73, 5571360), (80, 5083866), (90, 4518992), (96, 4236555), (106, 3836880), (120, 3389244), (144, 2824370), (146, 2785680), (159, 2557920), (160, 2541933), (180, 2259496), (212, 1918440), (219, 1857120), (240, 1694622), (265, 1534752), (288, 1412185), (292, 1392840), (318, 1278960), (360, 1129748), (365, 1114272), (424, 959220), (438, 928560), (477, 852640), (480, 847311), (530, 767376), (584, 696420), (636, 639480), (657, 619040), (720, 564874), (730, 557136), (795, 511584), (848, 479610), (876, 464280), (954, 426320), (1060, 383688), (1095, 371424), (1168, 348210), (1272, 319740), (1314, 309520), (1440, 282437), (1460, 278568), (1590, 255792), (1696, 239805), (1752, 232140), (1908, 213160), (2120, 191844), (2190, 185712), (2336, 174105), (2385, 170528), (2544, 159870), (2628, 154760), (2920, 139284), (3180, 127896), (3285, 123808), (3504, 116070), (3816, 106580), (3869, 105120), (4240, 95922), (4380, 92856), (4770, 85264), (5088, 79935), (5256, 77380), (5329, 76320), (5840, 69642), (6360, 63948), (6570, 61904), (7008, 58035), (7632, 53290), (7738, 52560), (8480, 47961), (8760, 46428), (9540, 42632), (10512, 38690), (10658, 38160), (11607, 35040), (11680, 34821), (12720, 31974), (13140, 30952), (15264, 26645), (15476, 26280), (15987, 25440), (17520, 23214), (19080, 21316), (19345, 21024)]