178545120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 288

約数和(自身を含む): 637507584

約数和(自身を除く): 458962464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 65, 71, 78, 80, 93, 96, 104, 120, 124, 130, 142, 155, 156, 160, 169, 186, 195, 208, 213, 240, 248, 260, 284, 310, 312, 338, 355, 372, 390, 403, 416, 426, 465, 480, 496, 507, 520, 568, 620, 624, 676, 710, 744, 780, 806, 845, 852, 923, 930, 992, 1014, 1040, 1065, 1136, 1209, 1240, 1248, 1352, 1420, 1488, 1560, 1612, 1690, 1704, 1846, 1860, 2015, 2028, 2080, 2130, 2201, 2272, 2418, 2480, 2535, 2704, 2769, 2840, 2976, 3120, 3224, 3380, 3408, 3692, 3720, 4030, 4056, 4260, 4402, 4615, 4836, 4960, 5070, 5239, 5408, 5538, 5680, 6045, 6240, 6448, 6603, 6760, 6816, 7384, 7440, 8060, 8112, 8520, 8804, 9230, 9672, 10140, 10478, 11005, 11076, 11360, 11999, 12090, 12896, 13206, 13520, 13845, 14768, 14880, 15717, 16120, 16224, 17040, 17608, 18460, 19344, 20280, 20956, 22010, 22152, 23998, 24180, 26195, 26412, 27040, 27690, 28613, 29536, 31434, 32240, 33015, 34080, 35216, 35997, 36920, 38688, 40560, 41912, 44020, 44304, 47996, 48360, 52390, 52824, 55380, 57226, 59995, 62868, 64480, 66030, 70432, 71994, 73840, 78585, 81120, 83824, 85839, 88040, 88608, 95992, 96720, 104780, 105648, 110760, 114452, 119990, 125736, 132060, 143065, 143988, 147680, 157170, 167648, 171678, 176080, 179985, 191984, 193440, 209560, 211296, 221520, 228904, 239980, 251472, 264120, 286130, 287976, 314340, 343356, 352160, 359970, 371969, 383968, 419120, 429195, 443040, 457808, 479960, 502944, 528240, 572260, 575952, 628680, 686712, 719940, 743938, 838240, 858390, 915616, 959920, 1056480, 1115907, 1144520, 1151904, 1257360, 1373424, 1439880, 1487876, 1716780, 1859845, 1919840, 2231814, 2289040, 2514720, 2746848, 2879760, 2975752, 3433560, 3719690, 4463628, 4578080, 5579535, 5759520, 5951504, 6867120, 7439380, 8927256, 11159070, 11903008, 13734240, 14878760, 17854512, 22318140, 29757520, 35709024, 44636280, 59515040, 89272560, 178545120]

約数ペア:

[(1, 178545120), (2, 89272560), (3, 59515040), (4, 44636280), (5, 35709024), (6, 29757520), (8, 22318140), (10, 17854512), (12, 14878760), (13, 13734240), (15, 11903008), (16, 11159070), (20, 8927256), (24, 7439380), (26, 6867120), (30, 5951504), (31, 5759520), (32, 5579535), (39, 4578080), (40, 4463628), (48, 3719690), (52, 3433560), (60, 2975752), (62, 2879760), (65, 2746848), (71, 2514720), (78, 2289040), (80, 2231814), (93, 1919840), (96, 1859845), (104, 1716780), (120, 1487876), (124, 1439880), (130, 1373424), (142, 1257360), (155, 1151904), (156, 1144520), (160, 1115907), (169, 1056480), (186, 959920), (195, 915616), (208, 858390), (213, 838240), (240, 743938), (248, 719940), (260, 686712), (284, 628680), (310, 575952), (312, 572260), (338, 528240), (355, 502944), (372, 479960), (390, 457808), (403, 443040), (416, 429195), (426, 419120), (465, 383968), (480, 371969), (496, 359970), (507, 352160), (520, 343356), (568, 314340), (620, 287976), (624, 286130), (676, 264120), (710, 251472), (744, 239980), (780, 228904), (806, 221520), (845, 211296), (852, 209560), (923, 193440), (930, 191984), (992, 179985), (1014, 176080), (1040, 171678), (1065, 167648), (1136, 157170), (1209, 147680), (1240, 143988), (1248, 143065), (1352, 132060), (1420, 125736), (1488, 119990), (1560, 114452), (1612, 110760), (1690, 105648), (1704, 104780), (1846, 96720), (1860, 95992), (2015, 88608), (2028, 88040), (2080, 85839), (2130, 83824), (2201, 81120), (2272, 78585), (2418, 73840), (2480, 71994), (2535, 70432), (2704, 66030), (2769, 64480), (2840, 62868), (2976, 59995), (3120, 57226), (3224, 55380), (3380, 52824), (3408, 52390), (3692, 48360), (3720, 47996), (4030, 44304), (4056, 44020), (4260, 41912), (4402, 40560), (4615, 38688), (4836, 36920), (4960, 35997), (5070, 35216), (5239, 34080), (5408, 33015), (5538, 32240), (5680, 31434), (6045, 29536), (6240, 28613), (6448, 27690), (6603, 27040), (6760, 26412), (6816, 26195), (7384, 24180), (7440, 23998), (8060, 22152), (8112, 22010), (8520, 20956), (8804, 20280), (9230, 19344), (9672, 18460), (10140, 17608), (10478, 17040), (11005, 16224), (11076, 16120), (11360, 15717), (11999, 14880), (12090, 14768), (12896, 13845), (13206, 13520)]