205049520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1204

約数の個数: 240

約数和(自身を含む): 781304160

約数和(自身を除く): 576254640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1153, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2306, 2340, 2470, 2736, 2964, 3120, 3420, 3459, 3705, 3952, 4446, 4560, 4612, 4680, 4940, 5765, 5928, 6840, 6918, 7410, 8892, 9224, 9360, 9880, 10377, 11115, 11530, 11856, 13680, 13836, 14820, 14989, 17295, 17784, 18448, 19760, 20754, 21907, 22230, 23060, 27672, 29640, 29978, 34590, 35568, 41508, 43814, 44460, 44967, 46120, 51885, 55344, 59280, 59956, 65721, 69180, 74945, 83016, 87628, 88920, 89934, 92240, 103770, 109535, 119912, 131442, 134901, 138360, 149890, 166032, 175256, 177840, 179868, 197163, 207540, 219070, 224835, 239824, 262884, 269802, 276720, 284791, 299780, 328605, 350512, 359736, 394326, 415080, 438140, 449670, 525768, 539604, 569582, 599560, 657210, 674505, 719472, 788652, 830160, 854373, 876280, 899340, 985815, 1051536, 1079208, 1139164, 1199120, 1314420, 1349010, 1423955, 1577304, 1708746, 1752560, 1798680, 1971630, 2158416, 2278328, 2563119, 2628840, 2698020, 2847910, 3154608, 3417492, 3597360, 3943260, 4271865, 4556656, 5126238, 5257680, 5396040, 5695820, 6834984, 7886520, 8543730, 10252476, 10792080, 11391640, 12815595, 13669968, 15773040, 17087460, 20504952, 22783280, 25631190, 34174920, 41009904, 51262380, 68349840, 102524760, 205049520]

約数ペア:

[(1, 205049520), (2, 102524760), (3, 68349840), (4, 51262380), (5, 41009904), (6, 34174920), (8, 25631190), (9, 22783280), (10, 20504952), (12, 17087460), (13, 15773040), (15, 13669968), (16, 12815595), (18, 11391640), (19, 10792080), (20, 10252476), (24, 8543730), (26, 7886520), (30, 6834984), (36, 5695820), (38, 5396040), (39, 5257680), (40, 5126238), (45, 4556656), (48, 4271865), (52, 3943260), (57, 3597360), (60, 3417492), (65, 3154608), (72, 2847910), (76, 2698020), (78, 2628840), (80, 2563119), (90, 2278328), (95, 2158416), (104, 1971630), (114, 1798680), (117, 1752560), (120, 1708746), (130, 1577304), (144, 1423955), (152, 1349010), (156, 1314420), (171, 1199120), (180, 1139164), (190, 1079208), (195, 1051536), (208, 985815), (228, 899340), (234, 876280), (240, 854373), (247, 830160), (260, 788652), (285, 719472), (304, 674505), (312, 657210), (342, 599560), (360, 569582), (380, 539604), (390, 525768), (456, 449670), (468, 438140), (494, 415080), (520, 394326), (570, 359736), (585, 350512), (624, 328605), (684, 299780), (720, 284791), (741, 276720), (760, 269802), (780, 262884), (855, 239824), (912, 224835), (936, 219070), (988, 207540), (1040, 197163), (1140, 179868), (1153, 177840), (1170, 175256), (1235, 166032), (1368, 149890), (1482, 138360), (1520, 134901), (1560, 131442), (1710, 119912), (1872, 109535), (1976, 103770), (2223, 92240), (2280, 89934), (2306, 88920), (2340, 87628), (2470, 83016), (2736, 74945), (2964, 69180), (3120, 65721), (3420, 59956), (3459, 59280), (3705, 55344), (3952, 51885), (4446, 46120), (4560, 44967), (4612, 44460), (4680, 43814), (4940, 41508), (5765, 35568), (5928, 34590), (6840, 29978), (6918, 29640), (7410, 27672), (8892, 23060), (9224, 22230), (9360, 21907), (9880, 20754), (10377, 19760), (11115, 18448), (11530, 17784), (11856, 17295), (13680, 14989), (13836, 14820)]