251663520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 192

約数和(自身を含む): 826277760

約数和(自身を除く): 574614240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 80, 86, 89, 96, 120, 129, 137, 160, 172, 178, 215, 240, 258, 267, 274, 344, 356, 411, 430, 445, 480, 516, 534, 548, 645, 685, 688, 712, 822, 860, 890, 1032, 1068, 1096, 1290, 1335, 1370, 1376, 1424, 1644, 1720, 1780, 2055, 2064, 2136, 2192, 2580, 2670, 2740, 2848, 3288, 3440, 3560, 3827, 4110, 4128, 4272, 4384, 5160, 5340, 5480, 5891, 6576, 6880, 7120, 7654, 8220, 8544, 10320, 10680, 10960, 11481, 11782, 12193, 13152, 14240, 15308, 16440, 17673, 19135, 20640, 21360, 21920, 22962, 23564, 24386, 29455, 30616, 32880, 35346, 36579, 38270, 42720, 45924, 47128, 48772, 57405, 58910, 60965, 61232, 65760, 70692, 73158, 76540, 88365, 91848, 94256, 97544, 114810, 117820, 121930, 122464, 141384, 146316, 153080, 176730, 182895, 183696, 188512, 195088, 229620, 235640, 243860, 282768, 292632, 306160, 353460, 365790, 367392, 390176, 459240, 471280, 487720, 524299, 565536, 585264, 612320, 706920, 731580, 918480, 942560, 975440, 1048598, 1170528, 1413840, 1463160, 1572897, 1836960, 1950880, 2097196, 2621495, 2827680, 2926320, 3145794, 4194392, 5242990, 5852640, 6291588, 7864485, 8388784, 10485980, 12583176, 15728970, 16777568, 20971960, 25166352, 31457940, 41943920, 50332704, 62915880, 83887840, 125831760, 251663520]

約数ペア:

[(1, 251663520), (2, 125831760), (3, 83887840), (4, 62915880), (5, 50332704), (6, 41943920), (8, 31457940), (10, 25166352), (12, 20971960), (15, 16777568), (16, 15728970), (20, 12583176), (24, 10485980), (30, 8388784), (32, 7864485), (40, 6291588), (43, 5852640), (48, 5242990), (60, 4194392), (80, 3145794), (86, 2926320), (89, 2827680), (96, 2621495), (120, 2097196), (129, 1950880), (137, 1836960), (160, 1572897), (172, 1463160), (178, 1413840), (215, 1170528), (240, 1048598), (258, 975440), (267, 942560), (274, 918480), (344, 731580), (356, 706920), (411, 612320), (430, 585264), (445, 565536), (480, 524299), (516, 487720), (534, 471280), (548, 459240), (645, 390176), (685, 367392), (688, 365790), (712, 353460), (822, 306160), (860, 292632), (890, 282768), (1032, 243860), (1068, 235640), (1096, 229620), (1290, 195088), (1335, 188512), (1370, 183696), (1376, 182895), (1424, 176730), (1644, 153080), (1720, 146316), (1780, 141384), (2055, 122464), (2064, 121930), (2136, 117820), (2192, 114810), (2580, 97544), (2670, 94256), (2740, 91848), (2848, 88365), (3288, 76540), (3440, 73158), (3560, 70692), (3827, 65760), (4110, 61232), (4128, 60965), (4272, 58910), (4384, 57405), (5160, 48772), (5340, 47128), (5480, 45924), (5891, 42720), (6576, 38270), (6880, 36579), (7120, 35346), (7654, 32880), (8220, 30616), (8544, 29455), (10320, 24386), (10680, 23564), (10960, 22962), (11481, 21920), (11782, 21360), (12193, 20640), (13152, 19135), (14240, 17673), (15308, 16440)]