278661240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5413}}^1$

素因数の和:5454

約数の個数: 192

約数和(自身を含む): 1064175840

約数和(自身を除く): 785514600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 572, 585, 660, 715, 780, 792, 858, 936, 990, 1144, 1170, 1287, 1320, 1430, 1560, 1716, 1980, 2145, 2340, 2574, 2860, 3432, 3960, 4290, 4680, 5148, 5413, 5720, 6435, 8580, 10296, 10826, 12870, 16239, 17160, 21652, 25740, 27065, 32478, 43304, 48717, 51480, 54130, 59543, 64956, 70369, 81195, 97434, 108260, 119086, 129912, 140738, 162390, 178629, 194868, 211107, 216520, 238172, 243585, 281476, 297715, 324780, 351845, 357258, 389736, 422214, 476344, 487170, 535887, 562952, 595430, 633321, 649560, 703690, 714516, 774059, 844428, 893145, 974340, 1055535, 1071774, 1190860, 1266642, 1407380, 1429032, 1548118, 1688856, 1786290, 1948680, 2111070, 2143548, 2322177, 2381720, 2533284, 2679435, 2814760, 3096236, 3166605, 3572580, 3870295, 4222140, 4287096, 4644354, 5066568, 5358870, 6192472, 6333210, 6966531, 7145160, 7740590, 8444280, 9288708, 10717740, 11610885, 12666420, 13933062, 15481180, 18577416, 21435480, 23221770, 25332840, 27866124, 30962360, 34832655, 46443540, 55732248, 69665310, 92887080, 139330620, 278661240]

約数ペア:

[(1, 278661240), (2, 139330620), (3, 92887080), (4, 69665310), (5, 55732248), (6, 46443540), (8, 34832655), (9, 30962360), (10, 27866124), (11, 25332840), (12, 23221770), (13, 21435480), (15, 18577416), (18, 15481180), (20, 13933062), (22, 12666420), (24, 11610885), (26, 10717740), (30, 9288708), (33, 8444280), (36, 7740590), (39, 7145160), (40, 6966531), (44, 6333210), (45, 6192472), (52, 5358870), (55, 5066568), (60, 4644354), (65, 4287096), (66, 4222140), (72, 3870295), (78, 3572580), (88, 3166605), (90, 3096236), (99, 2814760), (104, 2679435), (110, 2533284), (117, 2381720), (120, 2322177), (130, 2143548), (132, 2111070), (143, 1948680), (156, 1786290), (165, 1688856), (180, 1548118), (195, 1429032), (198, 1407380), (220, 1266642), (234, 1190860), (260, 1071774), (264, 1055535), (286, 974340), (312, 893145), (330, 844428), (360, 774059), (390, 714516), (396, 703690), (429, 649560), (440, 633321), (468, 595430), (495, 562952), (520, 535887), (572, 487170), (585, 476344), (660, 422214), (715, 389736), (780, 357258), (792, 351845), (858, 324780), (936, 297715), (990, 281476), (1144, 243585), (1170, 238172), (1287, 216520), (1320, 211107), (1430, 194868), (1560, 178629), (1716, 162390), (1980, 140738), (2145, 129912), (2340, 119086), (2574, 108260), (2860, 97434), (3432, 81195), (3960, 70369), (4290, 64956), (4680, 59543), (5148, 54130), (5413, 51480), (5720, 48717), (6435, 43304), (8580, 32478), (10296, 27065), (10826, 25740), (12870, 21652), (16239, 17160)]