257053440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:235

約数の個数: 288

約数和(自身を含む): 958358016

約数和(自身を除く): 701304576

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, 73, 80, 84, 96, 105, 112, 120, 128, 131, 140, 146, 160, 168, 192, 210, 219, 224, 240, 256, 262, 280, 292, 320, 336, 365, 384, 393, 420, 438, 448, 480, 511, 524, 560, 584, 640, 655, 672, 730, 768, 786, 840, 876, 896, 917, 960, 1022, 1048, 1095, 1120, 1168, 1280, 1310, 1344, 1460, 1533, 1572, 1680, 1752, 1792, 1834, 1920, 1965, 2044, 2096, 2190, 2240, 2336, 2555, 2620, 2688, 2751, 2920, 3066, 3144, 3360, 3504, 3668, 3840, 3930, 4088, 4192, 4380, 4480, 4585, 4672, 5110, 5240, 5376, 5502, 5840, 6132, 6288, 6720, 7008, 7336, 7665, 7860, 8176, 8384, 8760, 8960, 9170, 9344, 9563, 10220, 10480, 11004, 11680, 12264, 12576, 13440, 13755, 14016, 14672, 15330, 15720, 16352, 16768, 17520, 18340, 18688, 19126, 20440, 20960, 22008, 23360, 24528, 25152, 26880, 27510, 28032, 28689, 29344, 30660, 31440, 32704, 33536, 35040, 36680, 38252, 40880, 41920, 44016, 46720, 47815, 49056, 50304, 55020, 56064, 57378, 58688, 61320, 62880, 65408, 66941, 70080, 73360, 76504, 81760, 83840, 88032, 93440, 95630, 98112, 100608, 110040, 114756, 117376, 122640, 125760, 130816, 133882, 140160, 143445, 146720, 153008, 163520, 167680, 176064, 191260, 196224, 200823, 220080, 229512, 234752, 245280, 251520, 267764, 280320, 286890, 293440, 306016, 327040, 334705, 352128, 382520, 392448, 401646, 440160, 459024, 490560, 503040, 535528, 573780, 586880, 612032, 654080, 669410, 704256, 765040, 803292, 880320, 918048, 981120, 1004115, 1071056, 1147560, 1173760, 1224064, 1338820, 1530080, 1606584, 1760640, 1836096, 1962240, 2008230, 2142112, 2295120, 2448128, 2677640, 3060160, 3213168, 3521280, 3672192, 4016460, 4284224, 4590240, 5355280, 6120320, 6426336, 7344384, 8032920, 8568448, 9180480, 10710560, 12240640, 12852672, 16065840, 17136896, 18360960, 21421120, 25705344, 32131680, 36721920, 42842240, 51410688, 64263360, 85684480, 128526720, 257053440]

約数ペア:

[(1, 257053440), (2, 128526720), (3, 85684480), (4, 64263360), (5, 51410688), (6, 42842240), (7, 36721920), (8, 32131680), (10, 25705344), (12, 21421120), (14, 18360960), (15, 17136896), (16, 16065840), (20, 12852672), (21, 12240640), (24, 10710560), (28, 9180480), (30, 8568448), (32, 8032920), (35, 7344384), (40, 6426336), (42, 6120320), (48, 5355280), (56, 4590240), (60, 4284224), (64, 4016460), (70, 3672192), (73, 3521280), (80, 3213168), (84, 3060160), (96, 2677640), (105, 2448128), (112, 2295120), (120, 2142112), (128, 2008230), (131, 1962240), (140, 1836096), (146, 1760640), (160, 1606584), (168, 1530080), (192, 1338820), (210, 1224064), (219, 1173760), (224, 1147560), (240, 1071056), (256, 1004115), (262, 981120), (280, 918048), (292, 880320), (320, 803292), (336, 765040), (365, 704256), (384, 669410), (393, 654080), (420, 612032), (438, 586880), (448, 573780), (480, 535528), (511, 503040), (524, 490560), (560, 459024), (584, 440160), (640, 401646), (655, 392448), (672, 382520), (730, 352128), (768, 334705), (786, 327040), (840, 306016), (876, 293440), (896, 286890), (917, 280320), (960, 267764), (1022, 251520), (1048, 245280), (1095, 234752), (1120, 229512), (1168, 220080), (1280, 200823), (1310, 196224), (1344, 191260), (1460, 176064), (1533, 167680), (1572, 163520), (1680, 153008), (1752, 146720), (1792, 143445), (1834, 140160), (1920, 133882), (1965, 130816), (2044, 125760), (2096, 122640), (2190, 117376), (2240, 114756), (2336, 110040), (2555, 100608), (2620, 98112), (2688, 95630), (2751, 93440), (2920, 88032), (3066, 83840), (3144, 81760), (3360, 76504), (3504, 73360), (3668, 70080), (3840, 66941), (3930, 65408), (4088, 62880), (4192, 61320), (4380, 58688), (4480, 57378), (4585, 56064), (4672, 55020), (5110, 50304), (5240, 49056), (5376, 47815), (5502, 46720), (5840, 44016), (6132, 41920), (6288, 40880), (6720, 38252), (7008, 36680), (7336, 35040), (7665, 33536), (7860, 32704), (8176, 31440), (8384, 30660), (8760, 29344), (8960, 28689), (9170, 28032), (9344, 27510), (9563, 26880), (10220, 25152), (10480, 24528), (11004, 23360), (11680, 22008), (12264, 20960), (12576, 20440), (13440, 19126), (13755, 18688), (14016, 18340), (14672, 17520), (15330, 16768), (15720, 16352)]