257136880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1$

素因数の和:89

約数の個数: 320

約数和(自身を含む): 849945600

約数和(自身を除く): 592808720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 19, 20, 22, 26, 28, 35, 38, 40, 44, 52, 55, 56, 65, 70, 76, 77, 80, 88, 91, 95, 104, 110, 112, 130, 133, 140, 143, 152, 154, 169, 176, 182, 190, 208, 209, 220, 247, 260, 266, 280, 286, 304, 308, 338, 364, 380, 385, 418, 440, 455, 494, 520, 532, 560, 572, 616, 665, 676, 715, 728, 760, 770, 836, 845, 880, 910, 988, 1001, 1040, 1045, 1064, 1144, 1183, 1232, 1235, 1330, 1352, 1430, 1456, 1463, 1520, 1540, 1672, 1690, 1729, 1820, 1859, 1976, 2002, 2090, 2128, 2197, 2288, 2366, 2470, 2660, 2704, 2717, 2860, 2926, 3080, 3211, 3344, 3380, 3458, 3640, 3718, 3952, 4004, 4180, 4394, 4732, 4940, 5005, 5320, 5434, 5720, 5852, 5915, 6160, 6422, 6760, 6916, 7280, 7315, 7436, 8008, 8360, 8645, 8788, 9295, 9464, 9880, 10010, 10640, 10868, 10985, 11440, 11704, 11830, 12844, 13013, 13520, 13585, 13832, 14630, 14872, 15379, 16016, 16055, 16720, 17290, 17576, 18590, 18928, 19019, 19760, 20020, 21736, 21970, 22477, 23408, 23660, 24167, 25688, 26026, 27170, 27664, 29260, 29744, 30758, 32110, 34580, 35152, 35321, 37180, 38038, 40040, 41743, 43472, 43940, 44954, 47320, 48334, 51376, 52052, 54340, 58520, 61516, 64220, 65065, 69160, 70642, 74360, 76076, 76895, 80080, 83486, 87880, 89908, 94640, 95095, 96668, 104104, 108680, 112385, 117040, 120835, 123032, 128440, 130130, 138320, 141284, 148720, 152152, 153790, 166972, 169169, 175760, 176605, 179816, 190190, 193336, 208208, 208715, 217360, 224770, 241670, 246064, 247247, 256880, 260260, 282568, 292201, 304304, 307580, 333944, 338338, 353210, 359632, 380380, 386672, 417430, 449540, 459173, 483340, 494494, 520520, 565136, 584402, 615160, 667888, 676676, 706420, 760760, 834860, 845845, 899080, 918346, 966680, 988988, 1041040, 1168804, 1230320, 1236235, 1353352, 1412840, 1461005, 1521520, 1669720, 1691690, 1798160, 1836692, 1933360, 1977976, 2295865, 2337608, 2472470, 2706704, 2825680, 2922010, 3214211, 3339440, 3383380, 3673384, 3955952, 4591730, 4675216, 4944940, 5844020, 6428422, 6766760, 7346768, 9183460, 9889880, 11688040, 12856844, 13533520, 16071055, 18366920, 19779760, 23376080, 25713688, 32142110, 36733840, 51427376, 64284220, 128568440, 257136880]

約数ペア:

[(1, 257136880), (2, 128568440), (4, 64284220), (5, 51427376), (7, 36733840), (8, 32142110), (10, 25713688), (11, 23376080), (13, 19779760), (14, 18366920), (16, 16071055), (19, 13533520), (20, 12856844), (22, 11688040), (26, 9889880), (28, 9183460), (35, 7346768), (38, 6766760), (40, 6428422), (44, 5844020), (52, 4944940), (55, 4675216), (56, 4591730), (65, 3955952), (70, 3673384), (76, 3383380), (77, 3339440), (80, 3214211), (88, 2922010), (91, 2825680), (95, 2706704), (104, 2472470), (110, 2337608), (112, 2295865), (130, 1977976), (133, 1933360), (140, 1836692), (143, 1798160), (152, 1691690), (154, 1669720), (169, 1521520), (176, 1461005), (182, 1412840), (190, 1353352), (208, 1236235), (209, 1230320), (220, 1168804), (247, 1041040), (260, 988988), (266, 966680), (280, 918346), (286, 899080), (304, 845845), (308, 834860), (338, 760760), (364, 706420), (380, 676676), (385, 667888), (418, 615160), (440, 584402), (455, 565136), (494, 520520), (520, 494494), (532, 483340), (560, 459173), (572, 449540), (616, 417430), (665, 386672), (676, 380380), (715, 359632), (728, 353210), (760, 338338), (770, 333944), (836, 307580), (845, 304304), (880, 292201), (910, 282568), (988, 260260), (1001, 256880), (1040, 247247), (1045, 246064), (1064, 241670), (1144, 224770), (1183, 217360), (1232, 208715), (1235, 208208), (1330, 193336), (1352, 190190), (1430, 179816), (1456, 176605), (1463, 175760), (1520, 169169), (1540, 166972), (1672, 153790), (1690, 152152), (1729, 148720), (1820, 141284), (1859, 138320), (1976, 130130), (2002, 128440), (2090, 123032), (2128, 120835), (2197, 117040), (2288, 112385), (2366, 108680), (2470, 104104), (2660, 96668), (2704, 95095), (2717, 94640), (2860, 89908), (2926, 87880), (3080, 83486), (3211, 80080), (3344, 76895), (3380, 76076), (3458, 74360), (3640, 70642), (3718, 69160), (3952, 65065), (4004, 64220), (4180, 61516), (4394, 58520), (4732, 54340), (4940, 52052), (5005, 51376), (5320, 48334), (5434, 47320), (5720, 44954), (5852, 43940), (5915, 43472), (6160, 41743), (6422, 40040), (6760, 38038), (6916, 37180), (7280, 35321), (7315, 35152), (7436, 34580), (8008, 32110), (8360, 30758), (8645, 29744), (8788, 29260), (9295, 27664), (9464, 27170), (9880, 26026), (10010, 25688), (10640, 24167), (10868, 23660), (10985, 23408), (11440, 22477), (11704, 21970), (11830, 21736), (12844, 20020), (13013, 19760), (13520, 19019), (13585, 18928), (13832, 18590), (14630, 17576), (14872, 17290), (15379, 16720), (16016, 16055)]